TY  - RPRT
TI  - Planning a cluster randomized trial with unequal cluster sizes: practical issues involving continuous outcomes.
AU  - Lydia Guittet
AU  - Philippe Ravaud
AU  - Bruno Giraudeau
PY  - 2006
DO  - 10.1186/1471-2288-6-17
UR  - https://pubmed.ncbi.nlm.nih.gov/16611355/
ID  - 16611355
ER  -