TY  - RPRT
TI  - Ethics and sample size.
AU  - Peter Bacchetti
AU  - Leslie E Wolf
AU  - Mark R Segal
AU  - Charles E McCulloch
PY  - 2005
DO  - 10.1093/aje/kwi014
UR  - https://pubmed.ncbi.nlm.nih.gov/15632258/
ID  - 15632258
ER  -