TY  - RPRT
TI  - Does screening by "Pap" smears help prevent cervical cancer? A case-control study.
AU  - E A Clarke
AU  - T W Anderson
PY  - 1979
DO  - 10.1016/s0140-6736(79)90172-7
UR  - https://pubmed.ncbi.nlm.nih.gov/87887/
ID  - 87887
ER  -