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Abstract
Entities: Disease
Mesh: See more » Arrhythmia, Sinus/diagnosisArrhythmia, Sinus/etiologyArrhythmia, Sinus/therapyHumansMiddle AgedSyndrome
Year: 1977 PMID: 831979 PMCID: PMC1603594
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447