Institute of Arctic Biology
University of Alaska Fairbanks
PO Box 757000
Fairbanks, Alaska 99775-7000

907-474-1838 (office)
907-474-2798 (main laboratory)

907-474-7039 (technician/microscopy office)
907-474-2799 (fax)

fftmo@uaf.edu

Research Interests

Teaching

Wildlife Diseases

Basic and Wildlife Histology
Arctic Contaminants

Education

Professional Experience

Graduate Student Committees

Dr. Alex Rooney, Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University (advisor Dr. James Derr), “A Study of Genetic Health and Diversity in the Bering Chukchi Beaufort Seas Bowhead Whales” (Ph.D., graduated Sept., 1998).

Dr. Kimberlee Beckmen, University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (co-advisor with Dr. John Blake), “A Study of Immune Status and Organochlorine Levels in Northern Fur Seals” (Ph.D., graduated summer, 1999).

Dr. Victoria Woshner, University of Illinois, College of Veterinary Medicine (co-advisor with Dr. Val Beasley), “Tissue Concentrations of Selected Elements with an Intensive Histologic Assessment of Four Arctic Marine Mammal Species Harvested by Inuit Hunters in Northern Alaska, Emphasizing the Beluga Whale” (Ph.D., graduated spring, 2000).

Ms. Larissa Dehn (Ph.D. candidate), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (co-advisor with Dr. Erich Follmann), “Arctic Contaminants Pathways Focusing on Marine Mammals” (graduated)

Dr. Cheryl Rosa (Ph.D. candidate), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (co-advisor with Dr. John Blake), “Bowhead Whale Health Assessment”(graduated)

Mr. Torsten Bentzen (M.S. candidate), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (co-advisor with Dr. Erich Follmann), “Organic Contaminants in Polar Bears Relative to Trophic Level Determined using Stable Isotopes”(graduated)

Mr. Richard Bernhardt (Ph.D. candidate), University of Alaska Anchorage, “Effects of Perchlorate on Stickleback Fish” (co-advisor with Frank Von Hippel).

Ms. Tiffini Brookens (M.S. candidate), Moss Landing Marine Laboratories/California State University Monterey Bay, “Mercury concentrations and food habits of Pacific Harbor Seal, Phoca vitulina richardi, in Tomales and San Francisco Bays, California” (advisor Dr. James Harvey).(graduated)

Ms. Sara Moses (Ph.D. student), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (advisor), “Effects of food processing on contaminants and nutrients in subsistence foods.”

Ms. Cassandra “Cassie” Kirk (Ph.D. student), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (advisor), “Polar bear health assessment with a focus on immune status and the interaction of diseases and contaminants.”

Ms. Katrina Knott (Ph.D. student), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (advisor), “Impacts of contaminants on arctic fox and polar bears.”

Christoff "Buck" Furin (Ph.D. student), based at University of Alaska Anchorage, University of Alaska Fairbanks, Department of Biology and Wildlife, “Effects of Perchlorate on Stickleback Fish” (co-advisor with Dr. Frank Von Hippel).

Darce Holcomb (M.S. student), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (advisor), “Health Assessment of the Glacier Bay National Park Harbor Seals.”

Caroline R Van Hemert (Ph.D. student), University of Alaska Fairbanks, Institute of Arctic Biology and Department of Biology and Wildlife (co-advisor with Diane O’Brien), “Assessment of Beak Deformities in Birds of Southeast Alaska.”

Memberships

Alaska Veterinary Medical Association

American Association of Wildlife Veterinarians (AAWV)

American Veterinary Medical Association (AVMA)

Diplomate American Board of Veterinary Toxicology (ABVT)
            Board Certified in 1995 to present

Fellow in American Academy of Veterinary and Comparative Toxicology (AAVCT)

Marine Mammal Society

Society of Environmental Toxicology and Chemistry (SETAC)

Society of Toxicology (SOT)

Wildlife Disease Association (WDA);
            Chair, Student Activities Committee (1996-1998)
            Member, Nominations Committee (1998-2001; Chair 2000-2001)

• Publications (past to most recent):

1989- 1995

• M.W. Fariss, M.H. Merson, T.M. O’Hara. 1989.  Alpha Tocopheryl-Succinate Protects Hepatocytes from Chemical-Induced Toxicity Under Physiological Calcium Conditions. Toxicology Letters 47:61-75.

• T.M. O’Hara, J.F. Borzelleca, E.C. Clarke, M.A. Sheppard, L.W. Condie. 1989. A Carbon Tetrachloride and Chloroform Interaction Study in Isolated Hepatocytes: Selection of a Vehicle.  Fundamental and Applied Toxicology 13: 605-615.

• Borzelleca, J.F., T.M. O’Hara, C. Gennings, R.H. Granger, M.A. Sheppard, L.W. Condie.  1990. Interactions of Water Contaminants I. Plasma Enzyme Activity and Response Surface Methodology Following Gavage Administration of Carbon Tetrachloride and Chloroform or Trichloroethylene Singly and in Combination in the Rat. Fundamental and Applied Toxicology 14: 477-490.

• T.M. O’Hara, J.F. Borzelleca, E.C. Clarke, M.A. Sheppard, L.W. Condie. 1991. A Carbon Tetrachloride and Chloroform Interaction Study in Isolated Hepatocytes: Non-induced and Metyrapone Pretreated Cells.  Journal of Applied Toxicology 11: 147-154.

• A. Fairbrother, M. Fix, T. O’Hara, C.A. Ribic. 1994. Impairment of Growth and Immune Function of Avocet Chicks From Sites with Elevated Arsenic, Selenium and Boron. Journal of Wildlife Diseases 30: 222-233.

• A.A. Elfarra, P.J. Sausen, R.J. Duescher, T.M. O’Hara, A.J. Cooley. 1994. Methimazole Protection of Rats Against Gentamicin-Induced Nephrotoxicity.  Canadian Journal of Physiology and Pharmacology 72: 1238-1244

• C.P. McCoy, T.M. O’Hara, L.W. Bennett, C. Boyle, B. Lynn. 1995. Liver and Kidney Concentrations of Zinc, Copper and Cadmium in Channel Catfish:  Variations Due to Size, Season and Health Status.  Veterinary and Human Toxicology 37: 11-15.

• T. M. O’Hara, L. Bennett, C.P. McCoy, S.W. Jack, S. Fleming. 1995. Lead Poisoning and Toxicokinetics in a Heifer and Fetus Treated with EDTA and Thiamine. J. of Veterinary Diagnostic Investigation 7: 531-537.

1996-2000

• T.M. O’Hara, A. Azardpour, J. Lawton-Scheemaker, P. Gerard.  1997.  Oxytetracycline Residues in Channel Catfish:  A Feeding Trial. Veterinary and Human Toxicology 39: 65-70.

• T.M. O’Hara, C. House, J. House, R. Suydam, J.C. George.  1998.  Viral Serologic Survey of Bowhead Whales, J. Wildlife Disease 34: 39-46.

• T.M. O’Hara, J. Dau, G. Carroll, J. Bevins, R. Zarnke. 1998. Evidence of Exposure to Brucella suis biovar 4 in Moose of Northern Alaska. Alces 34: 31-40.

• Krone, C.A., P.A. Robisch, K.L. Tilbury, J.E. Stein, E.A. Mackey, P.R. Becker, T.M. O’Hara, L.M. Philo. 1998. Elements in Liver Tissues of Bowhead Whales (Balaena mysticetus). Marine Mammal Science 15: 123-142.

• Edmonds, M.D., F.M. Ward, T.M. O’Hara, P.H. Elzer. 1999. Use of Western Immunoblot Analysis for Testing Alaskan Moose (Alces alces) Serum for Brucella suis biovar 4 Specific Antibodies. Journal of Wildlife Diseases 35: 591-595

• T. O'Hara, D. Dasher, J.C. George, and V. Woshner. 1999. Radionuclide Levels in Caribou of Northern Alaska in 1995-1996. Arctic 52 (3): 279-288.

• T.M. O’Hara, T.F. Albert, E.O. Øen, L.M. Philo, J.C. George, A.L. Ingling. 1999. The Role of Eskimo Hunters, Veterinarians, and Other Biologists in Improving the Efficiency of the Subsistence Harvest of Bowhead Whales. Journal of the American Veterinary Medical Association 214 (8): 1193-1198.

• T.M. O’Hara, M.M. Krahn, D. Boyd, P.R. Becker, L.M. Philo. 1999. Organochlorine Contaminant Levels in Eskimo Harvested Bowhead Whales of Arctic Alaska. Journal of Wildlife Diseases 35: 741-752.

• George, J.C., J. Bada, J. Zeh, L. Scott, S.E. Brown, T. O’Hara, and R. Suydam. 1999. Age and Growth Estimates of Bowhead Whales (Balaena mysticetus) Using Aspartic Acid Racemization. Canadian Journal of Zoology 77: 571-580.

• Beckmen KB, Ylitalo GM, Towell RG, Krahn MM, O'Hara TM, Blake JE.  1999.  Factors affecting organochlorine contaminant concentrations in milk and blood of northern fur seal (Callorhinus ursinus) dams and pups from St. George Island, Alaska.  The Science of the Total Environment 231: 183-200.

• Krahn, M.M., D.G. Burrows, J.E. Stein, P.R. Becker, M.M. Schantz, D.C.G. Muir, T.M. O’Hara, T. Rowles. 1999. White whales from three Alaskan stocks- concentrations and patterns of persistent organochlorine contaminants in blubber. Journal of Cetacean Research and Management 1: 239-250.

• Cooper, L.W., I.L. Larsen, T.M. O’Hara, S. Dolvin, V. Woshner, G.F. Cota. 2000. Radionuclide contaminant burdens in arctic marine mammals harvested during subsistence hunting. Arctic 53: 174-182.

2001-2005

• T.M. O’Hara, G. Carroll, P. Barboza, K. Mueller, J. Blake, V. Woshner, C. Willetto. 2001. Minerals and Heavy Metal Status as Related to a Mortality Event and Poor Recruitment in a Moose Population in Alaska. Journal of Wildlife Diseases vol. 37, no. 3: 509-522.

• Kucklik, J.R., W.D.J. Struntz, P.R. Becker, G.W. York, T.M. O’Hara, and J.E. Bohonowych. 2001. Persistent organochlorine pollutants in ringed seals and polar bears collected from northern Alaska. The Science of the Total Environment. 287:45-59.

• V.M. Woshner, T.M. O’Hara, G.R. Bratton, R.S. Suydam, and V.R. Beasley. 2001. Concentrations and interactions of selected essential and non-essential elements in bowhead and beluga whales of Arctic Alaska. Journal of Wildlife Diseases 37: 693-710.

• V.M. Woshner, T.M. O’Hara, G.R. Bratton, and V.R. Beasley. 2001. Concentrations and interactions of selected essential and non-essential elements in ringed seals and polar bears of Arctic Alaska. Journal of Wildlife Diseases 37: 711-721.

• V.M. Woshner, T.M. O’Hara, J.A. Eurell, M.A. Wallig, G.R. Bratton, V.R. Beasley, and R.S. Suydam. 2002. Distribution of Inorganic Mercury in Liver and Kidney of Beluga Whales, Compared to Bowhead Whales, Through Autometallographic Development of Light Microscopic Tissue Sections. Toxicologic Pathology 30 (2): 209-215

• Hoekstra, PF, O'Hara, TM, Teixeira, C, Backus, S, Fisk, AT, and Muir, DCG. 2002.  Spatial trends and bioaccumulation of organochlorine pollutants in marine zooplankton from the Alaskan and Canadian Arctic. Environmental Toxicology and Chemistry 21(3): 575-583

• C. Siefker, L.G. Rickard, G. T. Pharr, J. A. Simmons, and T. M. O’Hara. 2002. Molecular characterization of Cryptosporidium sp. isolated from northern Alaskan caribou (Rangifer tarandus). Journal of Parasitology 88(1): 213-216.

• Hoekstra, P.F., O'Hara, T.M., Pallant, S., Solomon, K.R., and Muir, D.C.G. 2002. Bioaccumulation of organochlorine contaminants in bowhead whales (Balaena mysticetus) from Barrow, Alaska. Archives of Environmental Contamination and Toxicology 42 (4): 497-507

• Hoekstra, P.F., Dehn, L.A., George, J.C., Muir, D.C.G., and O’Hara, T.M. 2002. Trophic ecology of bowhead whales (Balaena mysticetus) compared to other arctic marine biota as interpreted from C, N, and S isotope signatures. Canadian Journal of Zoology 80 (2): 223-231

• Hoekstra, P.F., Wong, C.S., O'Hara, T.M., Solomon, K.R., S. Mabury and Muir, D.C.G.  2002. Enantiomer-specific accumulation of PCB atropisomers in the bowhead whale (Balaena mysticetus).  Environmental Science and Technology 36 (7): 1419-1425

• D. L. Miller, G. D. Bossart, M. Nadji, R. Tarpley, B. Roberts, T.M. O’Hara. 2002. Histologic and immunohistochemical identification of Leydig and Sertoli cells in bowhead whales (Balaena mysticetus). Journal of Cetacean Research and Management 4(2):149-153

• O’Hara, T.M., George, J.C., Tarpley, R. J., Burek, K , and Suydam, R.S. 2002. Sexual maturation in male bowhead whales (Balaena mysticetus) of the Bering Sea stock. Journal of Cetacean Research and Management 4(2):143-148

• Tittlemier, S., Borrell, A., Duffe, J., Duignan, P.J.,Fair, P., Hall, A., Hoekstra, P., Kovacs, K.M., Krahn, M.M., Lebeuf, M., Lydersen, C., Muir, D., O'Hara, T., Olsson, M., Pranschke, J., Ross, P., Siebert, U., Stern, G., Tanabe, S., and R. Norstrom:  2002. Global distribution of halogenated dimethyl bipyrroles in marine mammal blubber.  Archives of Environmental Contamination and Toxicology 43 (2): 244-255.

• O'Hara, T.M., J.C. George, J. Blake, K. Burek, G. Carroll, J. Dau, L. Bennett, C.P. McCoy, P. Gerard, V. Woshner. 2003. Health Assessment of Western Arctic and Teshekpuk Lake Caribou of Northern Alaska in Response to a Mortality Event. Arctic 56 (2): 125-135

• Hoekstra, P.F., Braune, B.M., O’Hara, T.M., Elkin, B., Solomon, K.R., Muir, D.C.G. 2003. Organochlorine contaminant and stable isotope profiles in arctic fox (Alopex lagopus) from the Alaskan and Canadian Arctic. Environmental Pollution 122 (issue 3, April):  423-433

• Hoekstra, P.F., Letcher, R.J., O’Hara, T.M., Backus, S.M., Solomon, K.R. and Muir, D.C.G. 2003. Hydroxylated and methylsulfone-containing metabolites of PCBs in the plasma and blubber of bowhead whales (Balaena mysticetus). Environmental Toxicology and Chemistry: 22(11): p. 2650-2658.

• Hoekstra, P.F., O’Hara, T.M., Fisk, A.T., Borgå, K, Solomon, K.R., and Muir, D.C.G. 2003. Trophic transfer of persistent organochlorine contaminants (OCs) within an arctic marine food web from the southern Beaufort-Chukchi Seas near Barrow, Alaska. Environmental Pollution 124 (issue 3, August): 509-522.

• Beckmen, K.B., J.E. Blake, G.M. Ylitalo, J.L. Stott, and T.M. O’Hara. 2003. Organochlorine contaminant exposure and associations with hematological and humoral immune functional assays with dam age as a factor in free-ranging northern fur seal pups (Callorhinus ursinus). Marine Pollution Bulletin 46 issue 5 (2003): 594–606.

• Hoekstra, P.F., O’Hara, T.M., Karlsson, H., Solomon, K.R., and D.C.G. Muir. 2003. Enantiomer-specific biomagnification of a-hexachlorocyclohexane and selected chiral chlordane-related compounds in an arctic marine food web. Environmental Toxicology and Chemistry: Vol. 22, No. 10, pp. 2482–2491.

• Kenny, D.E., T.M. O'Hara, T.C. Chen, Z. Lu, X. Tian, M.F. Holick. 2004. Vitamin D content in Alaskan Arctic zooplankton, fishes, and marine mammals. Zoo Biology 23 1 (Feb):33-43

• Elsner, R., J.C. George, T. O’Hara. 2004. Vasomotor responses of isolated peripheral blood vessels from bowhead whales: Thermoregulatory implications. Marine Mammal Science vol. 20, no. 3: 546-553.

• Hoekstra, P.F., O’Hara, T.M., Backus, S.M., Hanns, C., and Muir, D.C.G.  2005. Concentrations of persistent organochlorine contaminants in bowhead whale tissues and other biota from northern Alaska: Implications to human exposure from a subsistence diet. Environmental Research 98 (3): 329-340

• Holt, D.W., C. Hanns, T. O’Hara, K. Burek, and R. Frantz. 2005. New Distribution Records of Echinococcus multilocularis in the Brown Lemming from Barrow, Alaska, USA. J. of Wildlife Diseases 41(1): 257-259

• Dehn L-A, Sheffield GG, Follmann EH, Duffy LK, Thomas DL, Bratton GR, Taylor RJ, O'Hara TM. 2005. Trace elements in tissues of phocid seals harvested in the Alaskan and Canadian Arctic – Influence of age and feeding ecology. Vol 83, No. 5, 1: 726-746(21)

• Hughes-Hanks, J. M., L. G. Rickard, C. Panuska, J. R. Saucier, T. M. O’Hara, L. Dehn, and R. M. Rolland. 2005. Prevalence of Cryptosporidium spp. and Giardia spp. in Five Marine Mammal Species. J. of Parasitology: 1225-1228

• O’Hara, T., Hoekstra, P.F., Hanns, C., Backus, S.M., and D.C.G. Muir. 2005. Concentrations of selected persistent organochlorine contaminants in store bought foods from northern Alaska: Human exposure implications.  International Journal of Circumpolar Health 64 (4): 303-313

• Riget, Frank, Derek Muir, Michael Kwan, Tatiana Savinova, Madeleine Nyman, Victoria Woshner, Todd O’Hara. 2005. Circumpolar pattern of mercury and cadmium in ringed seals. Science of the Total Environment 351–352 (2005) 312– 322

• Reynolds, J., D. Wetzel, and T. O’Hara. 2006. “Human health implications of omega-3 and omega-6 fatty acids in bowhead whale (Balaena mysticetus) blubber.” Arctic Vol. 59, No. 2: 155-164

• Bradley, M.J., S.J. Kutz, E. Jenkin, T.M. O’Hara. 2005. The Potential Impact of Climate Change on Infectious Diseases of Arctic Fauna. Int J Circumpolar Health 2005; 64(5): 468-478

2006-present

• Reynolds, J., D. Wetzel, and T. O’Hara. 2006. “Human health implications of omega-3 and omega-6 fatty acids in bowhead whale (Balaena mysticetus) blubber.” Arctic Vol. 59, No. 2: 155-164
• Dehn L-A, Follmann EH, Thomas DL, Sheffield, G.G., Rosa C, Duffy LK, O’Hara TM. 2006. Trophic relationships in an Arctic food web and implications for trace metal transfer. Science of the Total Environment 362: 103–123
• Dehn L-A, Follmann EH, Rosa C, Duffy LK, Thomas DL, Bratton GR, Taylor RJ, O’Hara TM. 2006. Stable isotope and trace element status of subsistence hunted bowhead (Balaena mysticetus) and beluga whales (Delphinapterus leucas) in Alaska and gray whales (Eschrichtius robustus) in Chukotka. Marine Pollution Bulletin 52: 301–319
• O’Hara, T. M., C. Hanns, G. Bratton, R. Taylor, V.M. Woshner. 2006. Essential and non-essential elements in eight tissue types from subsistence hunted bowhead whale: Nutritional and toxicological assessment. Int J Circumpolar Health 65 (3): 228-242
• Kucklick, J.R., M.M. Krahn, P.R. Becker, B.J. Porter, M.M. Schantz, G.S. York, T.M. O’Hara, S.A. Wise. 2006. Persistent organic pollutants in Alaskan ringed seal (Phoca hispida) and walrus (Odobenus rosmarus) blubber. Journal of Environmental Monitoring, 8, 848–854
• Godard, C.A.J., S.S. Wise, R.S. Kelly, B. Goodale, S. Kraus, T. Romano, T. O’Hara & J.P. Wise Sr. 2006. Benzo[a]pyrene cytotoxicity in right whale (Eubalaena glacialis) skin, testis and lung cell lines. Environmental Research 62: S20-S24
• Brookens, T.J., J.T. Harvey, and T.M. O’Hara. 2007. Trace-element concentrations in the Pacific harbor seal, Phoca vitulina richardii, in central and northern California: influence of age, sex, and trophic level. Science of the Total Environment 372: 676–692
• Dehn, L., G.G. Sheffield, E.H. Follmann, L.K. Duffy, D.L. Thomas, T.M. O’Hara. 2007. Feeding ecology of phocid seals and some walrus in the Alaskan and Canadian Arctic as determined by stomach contents and stable isotope analysis. Polar Biol 30:167–181
• Rosa, C., T.M. O’Hara, P. Hoekstra, K. Refsal J.E. Blake. 2007. Serum thyroid hormone concentrations and thyroid histomorphology as biomarkers in bowhead whales (Balaena mysticetus). Canadian Journal of Zoology 85: 609-618.
• Rosa, C., Blake, J.E., L. Mazzaro, P. Hoekstra, G.M.Ylitalo, T.M. O’Hara. 2007. Vitamin A and E tissue distribution with comparisons to organochlorine concentrations in the serum, blubber and liver of the bowhead whale (Balaena mysticetus) Comparative Biochemistry and Physiology. Part B 148: 454-462
• Bentzen, T.W., E.H. Follmann, S.C. Amstrup, G.W. York, M.J. Wooller and T.M. O’Hara. 2007. Variation in winter feeding ecology of southern Beaufort Sea polar bears inferred from stable isotope analysis. Canadian Journal of Zoology 85: 596-608
• Burek, K.A., F.M.D. Gulland, T.M. O’Hara. 2007. “Effects of Climate Change on Arctic Marine Mammal Health” In Assessing the Impacts of Climate Change on Arctic Marine Mammals, Special Issue Marine Mammal Commission (U.S.); Huntington, H. and Moore, S. (Editors). (In Press) Ecological Applications
• O’Hara, T.M., Cyd Hanns, Victoria M. Woshner, Judy Zeh, Gerald Bratton, Robert Taylor. 2007. Essential and non-essential elements of the subsistence hunted bowhead whale: Epidermis-based predictions of blubber, kidney, liver and muscle tissue concentrations. J. of Cetacean Research and Management (In Press) volume 9, issue 2
• Brookens, T.J., T.M. O’Hara , R.J. Taylor, G.R. Bratton, J.T. Harvey. Body burden assessment of total mercury in the Pacific harbor seal, Phoca vitulina richardii, pup from central California. Marine Pollution Bulletin. In Press.
• Wise, J.P. Sr., S.S. Wise, S. Kraus, F. Shaffiey, M. Grau, T.L. Chen, C. Perkins, W.D. Thompson, T. Zheng, Y. Zhang, T. Romano, T. O’Hara, Hexavalent Chromium Is Cytotoxic and Genotoxic to the North Atlantic Right Whale (Eubalaena glacialis) Lung and Testes Fibroblasts. Mutation Research. Accepted.
• Bentzen, T.W., D. Muir, E. Follmann, S. Amstrup, G. York, and T. O’Hara. Organohalogen concentrations in blood and adipose tissue of polar bears along Alaska’s Beaufort Sea coast. (to be submitted)
• Bentzen, T.W., E.H. Follmann, M.J. Wooller, D.C.G. Muir, S.C. Amstrup, G.W. York and Todd M. O’Hara. Dietary biomagnification of organochlorine contaminants in Alaskan polar bears. (Accepted Canadian Journal of Zoology)
• Woshner, V., K. Knott, R. Wells, C. Willetto, R. Swor, T. O’Hara. Mercury and Selenium in Blood of Bottlenose Dolphins (Tursiops truncatus): Interaction and Reference to Life History and Hematologic Parameters. submitted EcoHealth)
• Woshner, V., D. Miller, Wells, Willetto, Knott and O'Hara. Epidermal histopmorphology and histopathology related to various biological variables of live captured bottlenose dolphins from Sarasota Bay, Florida. (to be submitted)
• Rosa, C., T.M. O’Hara, M.J. Gray, P. Hoekstra, J.E. Blake. Renal interstitial fibrosis, pulmonary firbomuscular hyperplasia and other findings from a histological assessment of the bowhead whale (Balaena mysticetus). Submitted.
• Rosa, C., Blake, J.E., Bratton, G.R., Dehn, L-A., Gray, M.J., O’Hara, T.M. Heavy metal and mineral concentrations and their relationship to histopathological findings in the bowhead whale (Balaena mysticetus). (to be submitted)
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