TY  - RPRT
TI  - Covariate-based constrained randomization of group-randomized trials.
AU  - Lawrence H Moulton
PY  - 2004
DO  - 10.1191/1740774504cn024oa
UR  - https://pubmed.ncbi.nlm.nih.gov/16279255/
ID  - 16279255
ER  -