TY  - RPRT
TI  - Estimability and estimation in case-referent studies.
AU  - O Miettinen
PY  - 1976
DO  - 10.1093/oxfordjournals.aje.a112220
UR  - https://pubmed.ncbi.nlm.nih.gov/1251836/
ID  - 1251836
ER  -