TY  - RPRT
TI  - Making changes in clinical trials.
AU  - W D Weaver
AU  - S Greenberg
PY  - 2001
DO  - 10.1067/mhj.2001.113083
UR  - https://pubmed.ncbi.nlm.nih.gov/11174346/
ID  - 11174346
ER  -