1. From the National Cancer Institute, Bethesda, MD; University of Massachusetts, Worcester, MA; National Cancer Institute of Canada Clinical Trials Group, Kingston, Ontario, Canada; Institut National du Cancer, Paris, France; Latin American and Caribbean Society of Medical Oncology, Buenos Aires, Argentina; European Organisation for Research and Treatment of Cancer, Brussels; GlaxoSmithKline Biologicals, Rixensart, Belgium; Medical Research Council Clinical Trials Unit, London; National Cancer Research...