By McPherson, M. J.
By Helen Bee, Denise Boyd
By Chambers, Clare
By R. H. F. Hunter (Royal Veterinary University, Copenhagen, and University of Cambridge)
By Kevin R. Loughlin, John Nimmo
By Sue Gerhardt (Private Practice, Oxford, UK)
By Susan F. Murray
By Gilbert, Scott F.
By Emil Novak, Edmund R. Novak, J.Donald Woodruff, Woodruff
By Gray, Sir Muir, Mostyn, David
By Barnett, C.H.
By Williams, Peter L., etc.
By Nilsson, Lennart, etc., Nilsson, Lennart
By Sarah Kowalski
By Daniel C. Dennett
By Hayman, Suzie
By Paul McKenna, Mckenna, Paul
By Malcolm I. Levene, etc.
By G. Chamberlain, A. Wraight
By David Paintin
By Robert Plomin
By Powell, Jillian
By Langman, Jan
By Theresa L. Crenshaw, James P. Goldberg
By Linda Heffner, Danny J. Schust
By John Guillebaud (University College London, UK)
By Penny Blackie
By A Parsons
By ZWANG G
By Larry Gonick