title: The use of existing databases in morbidity and mortality studies.
authors.forename: L H
authors.initials: LH
authors.lastname: Kuller
mesh_terms: D002908:Chronic Disease / Q000453:epidemiology*; D016208:Databases, Factual; D006801:Humans; D009017:Morbidity; D009026:Mortality; D011159:Population Surveillance / Q000379:methods*