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Author notes

1

Dr. Brown is a Major in the Air Force Veterinary Corps and is Head, Comparative Pathology Branch, Naval Aerospace Medical Research Laboratory, Pensacola, Florida 32512.

2

Dr. Smith is a Lt. Colonel in the Air Force Veterinary Corps and is Chief, Research Animal Division, Navy Biomedical Research, Oakland, California.

3

Dr. Keyes is a Research Veterinarian, Marine Mammal Division, National Marine Fisheries Services, Seattle, Washington 98115.

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