Vitamin A supplementation and childhood morbidity.
West
K P
KP
Brown
K H
KH
Katz
J
J
Rohde
J
J
D002648:Child; D003627:Data Interpretation, Statistical; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D015983:Selection Bias; D014801:Vitamin A / Q000627:therapeutic use*
D014801:Vitamin A