TY  - RPRT
TI  - Sample size & selection criteria.
AU  - N K Rathlev
AU  - G D'onofrio
AU  - S S Fish
PY  - 1992
DO  - 10.1016/s0196-0644(05)80920-5
UR  - https://pubmed.ncbi.nlm.nih.gov/1536500/
ID  - 1536500
ER  -