F A Bubb. Show Affiliations »
Abstract
Entities: Chemical
Mesh: See more » Carotenoids/bloodContraceptives, Oral/adverse effectsFemaleHumansMethodsPregnancyVitamin A/blood
Substances: See more » Contraceptives, OralVitamin ACarotenoids
Year: 1974 PMID: 4819186 PMCID: PMC1633570 DOI: 10.1136/bmj.1.5904.391-e
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447