| Literature DB >> 647548 |
D T Wigle, M Grace, E S Smith.
Abstract
Entities:
Keywords: Acceptor Characteristics; Age Factors; Americas; Canada; Cancer; Contraception; Contraceptive Agents, Estrogen--side effects; Contraceptive Agents, Female--side effects; Contraceptive Agents--side effects; Demographic Factors; Developed Countries; Diseases; Endometrial Cancer--etiology; Epidemiologic Methods; Family Planning; Incidence; Measurement; Neoplasms; North America; Northern America; Oral Contraceptives; Population; Population Characteristics; Research Methodology
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Year: 1978 PMID: 647548 PMCID: PMC1818636
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262