B. Ahmadu, I. Abubakar, A. Halima, A. Ruqayya, and G. Suleiman, “Concern About the Association Between Sex and Birth Weight of Babies: A Cross-Sectional Randomized Finding From a Nigerian Hospital”, J. Nepal Paedtr. Soc., vol. 33, no. 1, pp. 21–24, Jun. 2013.