Vitamin A supplementation and mortality.
McLaren
D S
DS
D002986:Clinical Trials as Topic; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D012107:Research Design; D014801:Vitamin A / Q000008:administration & dosage*; D014985:Xerophthalmia / Q000188:drug therapy*
D014801:Vitamin A