TY  - RPRT
TI  - Sample sizes and power computation for clinical intervention trials.
AU  - N K Leidy
AU  - L A Weissfeld
PY  - 1991
DO  - 10.1177/019394599101300111
UR  - https://pubmed.ncbi.nlm.nih.gov/1998255/
ID  - 1998255
ER  -