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Abstract
Entities: Disease
Mesh: See more » Asthma/diagnosisBronchitis/diagnosisChildFemaleHumansMaleSocioeconomic Factors
Year: 1983 PMID: 6405958 PMCID: PMC1548232 DOI: 10.1136/bmj.286.6379.1745-c
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623