Scientific and Ethical Discipline in Clinical Trials on Acute Leukemia G. MATHE Institut de Cancerologie ct d'Immunogenetique "', Hi'ipital Paul-Brousse .","" Villejuif/France Clinical research is still in an evolutionary stage. Although scientific technology was readily accepted and applied, scientific methodology has been accepted much more slowly and is very rarely properly applied. There are three reasons why this is so. First, medical ethics frequently limits the applicability of clinical research, for doctors have to be more than scientists. They must also remain moral philosophers, as...