By Taiz, Lincoln, Zeiger, Eduardo
By Steve Parker
By R. H. F. Hunter (Royal Veterinary University, Copenhagen, and University of Cambridge)
By Lauralee Sherwood
By Joan, Gowenlock
By J. Graham McGeown, BSc, MB, BChB, Ao, PhD (Reader in Physiology, School of Medicine and Dentistry, Queen's University, Belfast, UK)
By David E. Golan, Armen H. Tashjian, Ehrin J. Armstrong, April Wang Armstrong
By Frederic H. Martini, Charles M. Seiger
By Carol Ballard, Michael Courtney
By W.Edward Allen
By Parker, Vic
By Janette Marshall
By Denys H. Goose, J. Appleton
By Patricia Walsh, Ron Fridell
By Curtis C. Travis
By Arnold, Nick, De Saulles, Tony, Nick Arnold, Tony De Saulles
By Anna Sandeman
By Hindley, Judy, Rawson, C. J., King, Colin
By Paul Broks
By J Elphinston
By Jane Johnson
By Frederic Delavier, Michael Gundill
By Lily Chou, Norman G. Link, Ph.D.
By Anne J. Townsend, Kim Blundell
By Jason Vale
By Dr Harald Stossier, Helena Frith Powell
By Bruce M. Koeppen, B.A. Stanton