[1]
Malik, R. and Sharma, P. 2017. Menstruating umbilicus! A rare case report of primary umbilical endometriosis with review of literature. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 7 (Feb. 2017), 2453–2456. DOI:https://doi.org/10.18203/2320-1770.ijrcog20162149.