TY  - RPRT
TI  - Maximizing statistical power in group-randomized vaccine trials.
AU  - T Riggs
AU  - J S Koopman
PY  - 2005
DO  - 10.1017/s095026880500436x
UR  - https://pubmed.ncbi.nlm.nih.gov/16274496/
ID  - 16274496
ER  -