J S Chen, I H Su, L P Chow. Show Affiliations »
Abstract
Mesh: See more » Age FactorsFemaleHumansIntrauterine Devices/statistics & numerical dataPregnancySampling StudiesSocioeconomic FactorsTaiwanTime Factors
Year: 1975 PMID: 1162716
Source DB: PubMed Journal: Stud Fam Plann ISSN: 0039-3665