TY  - RPRT
TI  - Practical aspects of sharing controls between case-control studies.
AU  - Greta R Bunin
AU  - Mona Baumgarten
AU  - Sandra A Norman
AU  - Brian L Strom
AU  - Jesse A Berlin
PY  - 2005
DO  - 10.1002/pds.1130
UR  - https://pubmed.ncbi.nlm.nih.gov/15959880/
ID  - 15959880
ER  -