TY  - RPRT
TI  - Power analysis with more than two groups.
AU  - H R Muñoz
AU  - J A Dagnino
PY  - 2001
DO  - 10.1097/00000539-200103000-00051
UR  - https://pubmed.ncbi.nlm.nih.gov/11226125/
ID  - 11226125
ER  -