R Erkkola, P Liukko. Show Affiliations »
Abstract
Mesh: See more » FemaleFinlandHumansIntrauterine DevicesPregnancyPregnancy, Ectopic/epidemiology
Year: 1977 PMID: 606496 DOI: 10.1016/0010-7824(77)90057-9
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375