Affiliation: | Department of Comparative Medicine, Tufts University School of Veterinary Medicine, North Grafton, Massachusetts, 1536;Marine Biological Laboratory, Woods Hole, Massachusetts, 02543;Clinical Research and Review Staff, Office of Special Nutritionals, U.S. Food and Drug Administration, Laurel, Maryland, 20708;Department of Zoology, University of New Hampshire, Durham, New Hampshire, 03824 |