PT - JOURNAL ARTICLE AU - D R Laurence TI - Clinical Trials AID - 10.1136/jme.7.3.159 DP - 1981 Sep 01 TA - Journal of Medical Ethics PG - 159--159 VI - 7 IP - 3 4099 - http://jme.bmj.com/content/7/3/159.1.short 4100 - http://jme.bmj.com/content/7/3/159.1.full SO - J Med Ethics1981 Sep 01; 7