Mohapatra, K., Mishra, S., Sahoo, B., Marandi, B., Sen, R. and N., S. 2016. Adnexal torsion in a heterotopic pregnancy: a rare clinical entity with diagnostic dilemma. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 1 (Dec. 2016), 232–236. DOI:https://doi.org/10.18203/2320-1770.ijrcog20151632.