Vitamin A deficiency and the global response.
Sommer
Alfred
A
Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. asommer@jhsph.edu
D003906:Developing Countries; D019587:Dietary Supplements; D006801:Humans; D009755:Night Blindness / Q000453:epidemiology / Q000517:prevention & control; D009751:Nutritional Requirements; D015995:Prevalence; D014801:Vitamin A / Q000008:administration & dosage* / Q000627:therapeutic use; D014802:Vitamin A Deficiency / Q000453:epidemiology* / Q000517:prevention & control; D014985:Xerophthalmia / Q000453:epidemiology / Q000517:prevention & control
D014801:Vitamin A