TY  - RPRT
TI  - Detecting selection bias in randomized clinical trials.
AU  - V W Berger
AU  - D V Exner
PY  - 1999
DO  - 10.1016/s0197-2456(99)00014-8
UR  - https://pubmed.ncbi.nlm.nih.gov/10440559/
ID  - 10440559
ER  -