Multimorbidity, health care utilization and costs in an elderly community-dwelling population: a claims data based observational studyCaroline Bähler(Helsana Group (Switzerland)), Oliver Reich(Helsana Group (Switzerland))BMC Health Services ResearchJanuary 21, 201510.1186/s12913-015-0698-2Cited by 497SaveCiteExport RISWatch citationsRelated PapersPotentially Inappropriate Medication Use in Older Patients in Swiss Managed Care Plans: Prevalence, Determinants and Association with Hospitalization|PLoS ONE|2014|144