Psychiatric illness among medical patients.
D006757:Hospital Units; D006801:Humans; D007087:Illinois; D007406:Interview, Psychological; D008396:Maryland; D001523:Mental Disorders / Q000175:diagnosis*; D010044:Outpatient Clinics, Hospital; D010361:Patients; D010414:Pennsylvania; D011795:Surveys and Questionnaires; D006113:United Kingdom