[Public health, child mortality and social factors].
D002648:Child; D003148:Communism; D006801:Humans; D007226:Infant Mortality; D009026:Mortality; D011634:Public Health; D011647:Puerto Rico; D012959:Socioeconomic Factors; D013020:South America; D014481:United States
Zdorov'e naroda, detskaia smertnost' i sotsial'nye faktory.