Sharmila, V. and Thirunavukkarasu, A.B. 2019. Spontaneous membranous dysmenorrhea: a rare clinical entity. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 8, 10 (Sep. 2019), 4094–4096. DOI:https://doi.org/10.18203/2320-1770.ijrcog20194389.