1. Hypothyroidism. Lancet;CG Roberts;Hypothyroidism. Lancet,2004
2. Clinical practice. Subclinical hypothyroidism;DS Cooper;N Engl J Med,2001
3. Prevalence of iodine deficiency disorders in adolescents;NS Dodd;Indian J Pediatr,1992
4. Relevance and importance of universal salt iodization in India;A Sood;Natl Med J India,1997
5. Revised Policy Guidelines On National Iodine Deficiency Disorders Control Programme. New Delhi: Directorate General of Health Services, Ministry of Health and Family Welfare, Government of India; 2006.