Primary medical care in developing countries.
D000328:Adult; D000367:Age Factors; D000553:Ambulatory Care; D001723:Birth Rate; D002648:Child; D002662:Child Health Services; D003695:Delivery of Health Care; D003906:Developing Countries; D004470:Economics, Medical; D005260:Female; D006268:Health Facilities; D006285:Health Planning; D006280:Health Workforce / Q000600:supply & distribution*; D006801:Humans; D008017:Life Expectancy; D008297:Male; D008427:Maternal Health Services; D009017:Morbidity; D009026:Mortality; D011157:Population Dynamics; D011247:Pregnancy; D011320:Primary Health Care; D011787:Quality of Health Care; D012424:Rural Population; D014505:Urban Population