TY  - RPRT
TI  - Baseline comparisons in clinical trials.
AU  - D G Altman
AU  - C J Doré
PY  - 1990
DO  - 10.1016/0140-6736(90)91515-c
UR  - https://pubmed.ncbi.nlm.nih.gov/1972257/
ID  - 1972257
ER  -