PT - JOURNAL ARTICLE AU - Maurie Markman TI - Ethical issues in clinical trials in oncology DP - 1997 May 01 TA - Cleveland Clinic Journal of Medicine PG - 275--277 VI - 64 IP - 5 4099 - http://www.ccjm.org/content/64/5/275.short 4100 - http://www.ccjm.org/content/64/5/275.full SO - Cleve Clin J Med1997 May 01; 64