Endemic goitre in Sudan.
D006042:Goiter / Q000453:epidemiology*; D006801:Humans; D007454:Iodides / Q000097:blood; D007455:Iodine; D009749:Nutrition Surveys; D009751:Nutritional Requirements; D013397:Sudan; D013960:Thyroid Function Tests
D007454:Iodides; D007455:Iodine