Chaudhari, P.; Bansal, N.; Gupta, V.; Tandon, A.; Chaudhry, A. A Comparative Study of Feto-Maternal Outcome in Instrumental Vaginal Delivery at Tertiary Health Level Hospital in Uttarakhand State. Int J Reprod Contracept Obstet Gynecol 2016, 5, 3294-3299.