NavGeneral InfoEmail Print Geography Thailand (THA) Time period covered 01/1988 - 12/1988 Data type Report Summary This source appears in the WHO Global Database on Vitamin A Deficiency. Keywords Vitamin A deficiency Citation Contributors Ministry of Public Health (Thailand) Suggested citation Ministry of Public Health (Thailand). Report on Survey to Determine the Existence and Extent of Vitamin A Deficiency in Thailand. GHDx Entry last modified on: Feb 26, 2021