Madatuwa, T.M.; Mahawithanage, S.T.C.; Chandrika, U.G.; Jansz, E.R.; Wickremasinghe, A.R.
(Cambridge University Press, 2007)
The Ministry of Health in Sri Lanka commenced a vitamin A supplementation programme of school children with a megadose of 105 micromol (100,000 IU) vitamin A in school years 1, 4 and 7 (approximately 5-, 9- and 12-year-olds, ...