TY  - RPRT
TI  - Causation in epidemiology.
AU  - M Parascandola
AU  - D L Weed
PY  - 2001
DO  - 10.1136/jech.55.12.905
UR  - https://pubmed.ncbi.nlm.nih.gov/11707485/
ID  - 11707485
ER  -