title: Multiple-problem patient visits.
authors.forename: E J
authors.initials: EJ
authors.lastname: Volpintesta
mesh_terms: D015897:Comorbidity; D005194:Family Practice / Q000458:organization & administration*; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration*; D009819:Office Visits; D011320:Primary Health Care / Q000458:organization & administration*; D012051:Reimbursement Mechanisms / Q000458:organization & administration*; D013997:Time Factors