Research in Developmental Disabilities · 2012 · 190 citations · 10 references
EducationGeriatric MedicineGeriatricsGerontologyIntellectual DisabilitiesCognitive ImpairmentComorbidityComorbidity AssessmentComprehensive Geriatric AssessmentGeriatric SyndromesMedical ComorbiditiesAge-specific Disability RatesAging With DisabilityIntellectual Disability AssociationIntellectual Disability ComorbidityIntellectual Disability EpidemiologyIntellectual Disability SyndromesOlder Adult Population
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Validation of a combined comorbidity index
Mary E. Charlson, Ted P. Szatrowski, Janey C. Peterson et al. · Journal of Clinical Epidemiology · 1994 · 6.6K citations