TY  - RPRT
TI  - Experimental requirements and scientific principles in case-control studies.
AU  - A R Feinstein
PY  - 1985
DO  - 10.1016/0021-9681(85)90085-2
UR  - https://pubmed.ncbi.nlm.nih.gov/3972955/
ID  - 3972955
ER  -