NavGeneral InfoEmail Print Original or alternative title Ministry of Health and Helen Keller International First Vitamin A Survey in Cambodia Geography Cambodia (KHM) Time period covered 01/1993 - 12/1993 Data type Survey Keywords Vision loss, Vitamin A deficiency Citation Contributors Helen Keller International Ministry of Health (Cambodia) Suggested citation Helen Keller International, Ministry of Health (Cambodia). Cambodia Vitamin A Deficiency Survey 1993. GHDx Entry last modified on: Oct 21, 2020