TY  - RPRT
TI  - Reflections from the population: survey methods.
AU  - Laurence F McMahon
AU  - Angela Fagerlin
PY  - 2004
DO  - 10.1097/00004836-200404000-00002
UR  - https://pubmed.ncbi.nlm.nih.gov/15087687/
ID  - 15087687
ER  -