| Literature DB >> 8374377 |
J A Thomson1, P J Lincoln, P Mortimer.
Abstract
Entities:
Keywords: Case Histories; Contraception; Contraception Failure; Contraceptive Usage; Data Collection; Developed Countries; England; Europe; Examinations And Diagnoses; Family Planning; Laboratory Examinations And Diagnoses; Laboratory Procedures; Male Sterilization; Northern Europe; Research Methodology; Sperm Count; Sterilization, Sexual; United Kingdom; Vasectomy
Mesh:
Year: 1993 PMID: 8374377 PMCID: PMC1678591 DOI: 10.1136/bmj.307.6899.299
Source DB: PubMed Journal: BMJ ISSN: 0959-8138