William M Hryniuk -
Department of Medicine, University of Manitoba Medical School and The Manitoba Cancer Foundation, Winnipeg, Man., Canada and Department of Pharmacology, Yale University School of Medicine, New Haven, Conn. 06510
Joseph R Bertino -
Department of Medicine, University of Manitoba Medical School and The Manitoba Cancer Foundation, Winnipeg, Man., Canada and Department of Pharmacology, Yale University School of Medicine, New Haven, Conn. 06510