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Abstract
Mesh: See more » Age FactorsAgedArrhythmias, Cardiac/therapyAttitude of Health PersonnelEconomics, MedicalElectrocardiographyHeart Block/therapyHumansPacemaker, Artificial/statistics & numerical dataUnited Kingdom
Year: 1975 PMID: 1137777 PMCID: PMC1672936
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447