Varma, T., P. Nande, and S. A. Vali. “Birth Weight of Newborn in Relation to Maternal Weight Gain and Haemoglobin Level”. The Indian Journal of Nutrition and Dietetics, vol. 45, no. 2, Feb. 2008, pp. 63-68, https://informaticsjournals.co.in/index.php/ijnd/article/view/4964.