Letter from Johannesburg.
Walker
A R
AR
D003153:Community Health Services / Q000458:organization & administration; D005260:Female; D018166:Health Care Reform; D006301:Health Services Needs and Demand; D006801:Humans; D008017:Life Expectancy; D008297:Male; D009313:National Health Programs; D011203:Poverty; D013019:South Africa / Q000453:epidemiology