TY  - RPRT
TI  - Epidemiology: use and utility in the process.
AU  - A Leviton
PY  - 1984
DO  - 10.1016/0272-0590(84)90263-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6378706/
ID  - 6378706
ER  -