Overlapping vitamin A interventions in the United States, Guatemala, Zambia, and South Africa: Case studies

Tanumihardjo, Sherry A.; Kaliwile, Chisela; Boy, Erick; Dhansay, Muhammad A.; and van Stuijvenberg, Martha E. 2019. Overlapping vitamin A interventions in the United States, Guatemala, Zambia, and South Africa: Case studies. Annals of the New York Academy of Sciences 1446(1): 102-116. https://doi.org/10.1111/nyas.13965