[1]
B., S. and M. B., V. 2017. A clinical study of tramadol as an analgesic in labour. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 7, 1 (Dec. 2017), 312–317. DOI:https://doi.org/10.18203/2320-1770.ijrcog20175868.