S. K. Balmur, V. R. Guthi, and N. K. Naidu, “Analysis of delivery pattern and neonatal outcome in the calendar year 2015 in urban field practice area of Kamineni Institute of Medical Sciences, Narketpally, India”, Int J Reprod Contracept Obstet Gynecol, vol. 6, no. 2, pp. 591–594, Jan. 2017.