title: An epidemiological approach to the improvement of mental health services in developing countries.
mesh_terms: D003906:Developing Countries; D004812:Epidemiologic Methods; D006281:Health Occupations / Q000193:education; D006301:Health Services Needs and Demand; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology; D008605:Mental Health Services / Q000458:organization & administration / Q000592:standards*; D012424:Rural Population; D012931:Social Environment; D014505:Urban Population; D000078329:Workforce