1. Directorate General of Health Services (DGHS). Ministry of Health & Family Welfare, Government of India. Revised Policy guidelines on National Iodine Deficiency Disorders Control Programme. New Delhi: DGHS, Ministry of Health and Family Welfare, Government of India. 2006; (10).
2. Kapil U, Dwivedi SN, Seshadri S, Swami SS, Beena, Mathur BP et al. Validation of spot testing kit in the assessment of iodine content of salt: A multi-centric study. indian pediatrics. 2000;37:182–186.
3. WHO, UNICEF, ICCIDD. Indicator of Assessing Iodine Deficiency Disorders and Their Control Through Salt Iodization. Geneva: World Health Organization, 1994 (WHO/NUT/94.6).
4. Kapil U, Singh P, Pathak P, Singh C. Assessment of iodine deficiency disorders in district Bharatpur, Rajasthan. Indian Pediatr. 2003;40:147–149.
5. Kapil U, Ramachandran S, Tandon M. Assessment of iodine deficiency in Pondicherry. Indian Pediatr. 1998;35:357–359.