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Abstract
Entities: Species
Mesh: See more » AdolescentAge FactorsChildChild, PreschoolHeart AuscultationHeart Defects, Congenital/diagnosisHeart Defects, Congenital/epidemiologyHeart Diseases/diagnosisHeart Diseases/epidemiologyHumans
Year: 1974 PMID: 4817182 PMCID: PMC1633697 DOI: 10.1136/bmj.1.5907.529
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447