TY  - RPRT
TI  - Clinical trials: subgroup analyses.
AU  - K E Stanley
AU  - M A Fischl
AU  - A C Collier
PY  - 1994
DO  - 10.1126/science.7915047
UR  - https://pubmed.ncbi.nlm.nih.gov/7915047/
ID  - 7915047
ER  -