Sonwani, T., and R. Biswas. “Comparing the Degree of Pelvic Pain With the Macroscopic Features of Endometriosis”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 6, May 2019, pp. 2421-4, doi:10.18203/2320-1770.ijrcog20192442.