D H Spodick, V M Quarry-Pigott. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » AdultAgedAgingHeart AuscultationHumansMiddle AgedPhonocardiographyProspective Studies
Year: 1973 PMID: 4682038 DOI: 10.1056/NEJM197301182880308
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245