By Charles D. Forbes, Duncan P. Thomas, Edward G. D. Tuddenham, A.L. Bloom
By Lodovico Balducci, William Ershler, Giovanni de Gaetano
By C.A. Baldamus, K.M. Koch, P. Scigalla, L. Wieczorek, Claudio Ronco
By Dr Dafydd Thomas, Dr John Thompson, Dr Biddy Ridler
By Helen Galley, Nigel Webster
By Marcela Contreras (Royal Free and University College Hospitals Medical School, London)
By P. Colm Malone, Paul S. Agutter
By Margaret McCarthy (In Private practice, Fernwood, Kings Drive, Wirral, UK)
By G.J. Reynolds
By E. Beutler (Univ of California San Diego), Marshall A. Lichtman, Barry S. Coller, Thomas J. Kipps, Uri Seligsohn
By Jeffrey McCullough (Professor of Laboratory Medicine and Pathology, American Red Cross Professor of Transfusion Medicine, University of Minnesota, Minneapolis, MN, USA)
By D.W. Galvani, Nick Beeching, Fred J. Nye, W.D Neithercut
By David G. Nathan, Stuart H. Orkin, A. Thomas Look, David Ginsburg
By Robert I. Handin, S. Lux, Thomas P. Stossel
By Janet L. Abrahm
By Patricia M. Davies