1. 1. N. Saluja, S. Garg, H. Chopra: Prevalence Of Morbidity And Morbidity Pattern In School Children (5-11 Yrs) In Urban Area Of Meerut. The Internet Journal of Epidemiology. 2011 Volume 9 Number 2.
2. 2. O.P. Ghai, Piyush Gupta, V.K. Paul. Nutrition and Nutritional Disorders. Essential Pediatrics, Mehta Pub. New Delhi. 5th edition. 2001: 65
3. 3. K. Park. Nutrition and Health. Text Book of Preventive and Social Medicine, M/s Banarsidas Bhanot, Jabalpur.20th edition. 2009: 539
4. 4. Mullick, H: Assessment of Health Status of Urban Primary School Children of Jhansi (Uttar Pradesh). Thesis submitted for M.D. in Community Medicine, 1991, Bundelkhand University, Jhansi.
5. 5. Miller Stephen J.H. (1998) Parson's Diseases of the eye, 18th edition.