TY  - RPRT
TI  - Causal inference in infectious diseases.
AU  - M E Halloran
AU  - C J Struchiner
PY  - 1995
DO  - 10.1097/00001648-199503000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/7742400/
ID  - 7742400
ER  -