| Literature DB >> 6113441 |
R I Horwitz, A R Feinstein, S M Horwitz, S J Robboy.
Abstract
Entities:
Keywords: Cancer; Case Studies; Contraception; Contraceptive Methods--side effects; Control Groups; Diseases; Endometrial Cancer--statistics; Family Planning; Neoplasms; Oral Contraceptives--side effects; Reliability; Research Methodology; Studies
Mesh:
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Year: 1981 PMID: 6113441 DOI: 10.1016/s0140-6736(81)90412-8
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321