title: The multiple challenges of multiple morbidities.
authors.forename: Noreen M
authors.initials: NM
authors.lastname: Clark
mesh_terms: D000375:Aging; D002908:Chronic Disease / Q000453:epidemiology*; D015897:Comorbidity; D019317:Evidence-Based Medicine / Q000592:standards*; D006801:Humans; D058991:Patient Protection and Affordable Care Act / Q000592:standards; D011157:Population Dynamics; D011785:Quality Assurance, Health Care / Q000379:methods / Q000592:standards*; D014481:United States / Q000453:epidemiology