Principles of health planning in the USSR.
D000553:Ambulatory Care; D003695:Delivery of Health Care / Q000592:standards; D006281:Health Occupations / Q000193:education; D006285:Health Planning; D006280:Health Workforce / Q000600:supply & distribution; D006760:Hospitalization; D006801:Humans; D009017:Morbidity; D014586:USSR; D014944:World Health Organization