By Universities Federation for Animal Welfare
By James E. Anderson
By Borden, Gloria J., Harris, Katherine S.
By Bush, Mary Ann
By Langman, Jan
By T.W. Sadler, Jill Leland
By Soma, Lawrence R.
By john-b-west
By Req
By John V. Basmajian & Charles E. Slonecker
By Sernka, Thomas J
By Kaplan, Harold I., Sadock, Benjamin
By John B West, MD PhD Dsc (University of California San Diego)
By Sidney William Douglas, Hamar David Williamson