TY  - RPRT
TI  - Focus on qualitative methods: Using qualitative methods in intervention studies.
AU  - M Sandelowski
PY  - 1996
DO  - 10.1002/(sici)1098-240x(199608)19:4<359::aid-nur9>3.0.co;2-h
UR  - https://pubmed.ncbi.nlm.nih.gov/8773558/
ID  - 8773558
ER  -