TY  - RPRT
TI  - Selected statistical issues in group randomized trials.
AU  - Z Feng
AU  - P Diehr
AU  - A Peterson
AU  - D McLerran
PY  - 2001
DO  - 10.1146/annurev.publhealth.22.1.167
UR  - https://pubmed.ncbi.nlm.nih.gov/11274517/
ID  - 11274517
ER  -