TY  - RPRT
TI  - Methodological issues associated with group intervention research.
AU  - Shirley A Murphy
AU  - L Clark Johnson
PY  - 2006
DO  - 10.1016/j.apnu.2006.05.003
UR  - https://pubmed.ncbi.nlm.nih.gov/17145455/
ID  - 17145455
ER  -