Iodine deficiency disorders among primary-school children in Kafr El-Sheikh, Egypt EL-SAYED, Nawal A et al April 1997
Global prevalence of iodine deficiency disorders MICRONUTRIENT DEFICIENCY INFORMATION SYSTEM (MDIS) World Health Organisation (WHO) Nutritition Unit 1993
Guidelines for a national programme for the control of iodine deficiency disorders in the Eastern Mediterranean region WORLD HEALTH ORGANIZATION Regional Office for the Eastern Mediterranean 1988