TY  - RPRT
TI  - Potential bias in cardiovascular risk behavior study.
AU  - P Z Siegel
AU  - A L Franks
PY  - 1993
DO  - 10.2105/ajph.83.5.771-b
UR  - https://pubmed.ncbi.nlm.nih.gov/8484471/
ID  - 8484471
ER  -