TY  - RPRT
TI  - Controlled clinical trials: some ethical issues.
AU  - Karen Lebacqz
PY  - 1980
DO  - 10.1016/s0197-2456(80)80005-5
UR  - https://pubmed.ncbi.nlm.nih.gov/11658626/
ID  - 11658626
ER  -