Vitamin A: its effect on childhood sight and life.
Sommer
A
A
Johns Hopkins University, Baltimore, MD 21205.
D002648:Child; D005128:Eye Diseases / Q000209:etiology*; D006801:Humans; D007239:Infections / Q000209:etiology / Q000401:mortality; D014801:Vitamin A / Q000502:physiology; D014802:Vitamin A Deficiency / Q000150:complications*
D014801:Vitamin A