| Literature DB >> 7427204 |
M Booth, V Beral, J Guillebaud.
Abstract
Entities:
Keywords: Acceptor Characteristics; Age Factors; Contraception; Contraceptive Methods; Correlation Studies; Demographic Factors; Diseases; Family Planning; Fertility; Fertility Measurements; Infections; Iud; Iud, Copper Releasing; Nulliparity; Parity; Pelvic Infections; Population; Population Characteristics; Population Dynamics; Research Methodology; Statistical Studies; Studies
Mesh:
Year: 1980 PMID: 7427204 PMCID: PMC1713572 DOI: 10.1136/bmj.281.6233.114
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447