By A.E.G. Raine
By Lorenzo Cerroni, Kevin Gatter (John Radcliffe Hospital, Oxford, UK), Helmut Kerl
By Ian Olver
By Roger S. Kirby, Manish J. Patel, MBBS MMED FRACS
By David G. Nathan, Stuart H. Orkin, A. Thomas Look, David Ginsburg
By Janet L. Abrahm
By Debra S. Prescher-Hughes, Cynthia J. Alkhoudairy
By Gernot Stuhler, Peter Walden
By H. Hugh Fudenberg, etc.