P Liukko, R Erkkola, L Laakso. Show Affiliations »
Abstract
Mesh: See more » Contraceptives, OralFemaleFinlandHumansLynestrenolNorethindroneNorgestrelPregnancyPregnancy, Ectopic/chemically inducedPregnancy, Ectopic/epidemiologyProgestins
Substances: See more » Contraceptives, OralProgestinsNorgestrelLynestrenolNorethindrone
Year: 1977 PMID: 606497 DOI: 10.1016/0010-7824(77)90058-0
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375