Trends and differentials in infant mortality in the Soviet Union, 1970-90: How much is due to misreporting?
D003625:Data Collection; D004812:Epidemiologic Methods; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D014586:USSR; D014798:Vital Statistics