PT - JOURNAL ARTICLE AU - Litt, Rosalie Morss TI - <em>Guide to Clinical Trials</em> ed. by Bert Spilker, PhD, MD DP - 1992 Sep 01 TA - Cleveland Clinic Journal of Medicine PG - 553--554 VI - 59 IP - 5 4099 - http://www.ccjm.org/content/59/5/553.4.short 4100 - http://www.ccjm.org/content/59/5/553.4.full SO - Cleve Clin J Med1992 Sep 01; 59