TY  - RPRT
TI  - Matching in case-control studies.
AU  - H T Sørensen
AU  - M W Gillman
PY  - 1995
DO  - 10.1136/bmj.310.6975.329d
UR  - https://pubmed.ncbi.nlm.nih.gov/7866190/
ID  - 7866190
ER  -