NavGeneral InfoEmail Print Original or alternative title L'enquête nationale de prévalence des TDCI en République du Tchad Geography Chad (TCD) Coverage type Country Time period covered 05/1993 - 01/1994 Data type Survey Summary This source appears in the WHO Global Database on Iodine Deficiency. Keywords Goiter, Iodine deficiency, Prevalence Citation Contributors Ministry of Public Health (Chad) United Nations Children's Fund (UNICEF) World Health Organization (WHO) Suggested citation Ministry of Public Health (Chad), United Nations Children's Fund (UNICEF), World Health Organization (WHO). Chad National Survey on Iodine Deficiency Disorder Prevalence 1993-1994. GHDx Entry last modified on: Apr 23, 2020