title: The duration of the effect of vitamin A supplementation.
authors.forename: A
authors.initials: A
authors.lastname: Sommer
authors.forename: K P
authors.initials: KP
authors.lastname: West
mesh_terms: D003967:Diarrhea / Q000517:prevention & control; D004334:Drug Administration Schedule; D005527:Food, Fortified; D005869:Ghana; D006801:Humans; D007223:Infant; D016032:Randomized Controlled Trials as Topic; D013997:Time Factors; D014801:Vitamin A / Q000008:administration & dosage* / Q000097:blood; D014802:Vitamin A Deficiency / Q000188:drug therapy*; D014985:Xerophthalmia / Q000097:blood / Q000517:prevention & control*
chemical_list: D014801:Vitamin A