P Cotton. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Age FactorsBiasChildData CollectionEuropean Continental Ancestry GroupFemaleHumansMaleMiddle AgedResearch DesignSex CharacteristicsSex Factors
Year: 1990 PMID: 2299770
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272