TY  - RPRT
TI  - Explaining differences between qualitative and quantitative data: a study of chemoprophylaxis during pregnancy.
AU  - D L Helitzer-Allen
AU  - C Kendall
PY  - 1992
DO  - 10.1177/109019819201900104
UR  - https://pubmed.ncbi.nlm.nih.gov/1568873/
ID  - 1568873
ER  -