J K Van Ginneken. Show Affiliations »
Abstract
Mesh: See more » AlaskaAmenorrhea/etiologyBreast FeedingContraceptionFamily Planning ServicesFemaleFertilityHumansIndiaIntrauterine DevicesInuitsLactationMenstruationOvulationPregnancyTime Factors
Year: 1974 PMID: 4841670
Source DB: PubMed Journal: Stud Fam Plann ISSN: 0039-3665