TY  - RPRT
TI  - Randomized versus historical controls for clinical trials.
AU  - H Sacks
AU  - T C Chalmers
AU  - H Smith
PY  - 1982
DO  - 10.1016/0002-9343(82)90815-4
UR  - https://pubmed.ncbi.nlm.nih.gov/7058834/
ID  - 7058834
ER  -