TY  - RPRT
TI  - Validity in qualitative research.
AU  - R Whittemore
AU  - S K Chase
AU  - C L Mandle
PY  - 2001
DO  - 10.1177/104973201129119299
UR  - https://pubmed.ncbi.nlm.nih.gov/11521609/
ID  - 11521609
ER  -