Reducing vitamin A deficiency.
Potter
A R
AR
D001766:Blindness / Q000517:prevention & control*; D006801:Humans; D014801:Vitamin A / Q000008:administration & dosage; D014802:Vitamin A Deficiency / Q000517:prevention & control*; D014985:Xerophthalmia / Q000517:prevention & control
D014801:Vitamin A