TY  - RPRT
TI  - Study design in qualitative research--1: Developing questions and assessing resource needs.
AU  - R M Frankel
AU  - K J Devers
PY  - 2000
DO  - 10.1080/13576280050074534
UR  - https://pubmed.ncbi.nlm.nih.gov/14742087/
ID  - 14742087
ER  -