TY  - RPRT
TI  - Re: "Biologic plausibility in causal inference: current method and practice".
AU  - M Porta
PY  - 1999
DO  - 10.1093/oxfordjournals.aje.a009984
UR  - https://pubmed.ncbi.nlm.nih.gov/10412968/
ID  - 10412968
ER  -