title: The challenge of psychogeriatrics.
mesh_terms: D000368:Aged; D001315:Australia; D005380:Financing, Government; D005852:Geriatric Psychiatry; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology; D008605:Mental Health Services / Q000600:supply & distribution; D012106:Research; D012577:Schools, Medical