TY  - RPRT
TI  - External comparisons with the case-cohort design.
AU  - S Wacholder
AU  - J F Boivin
PY  - 1987
DO  - 10.1093/oxfordjournals.aje.a114759
UR  - https://pubmed.ncbi.nlm.nih.gov/3687925/
ID  - 3687925
ER  -