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Abstract
Mesh: See more » EpidemiologyHumansLaboratories/organization & administrationMicrobiologyPreventive Health Services/organization & administrationPublic HealthUnited Kingdom
Year: 1985 PMID: 3928051 PMCID: PMC1417512 DOI: 10.1136/bmj.291.6496.616
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623