Saravanan, N., Kekre, A. N., & S., M. G. (2019). Post void residue in women with pelvic organ prolapse: a prospective observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 8(4), 1520–1524. https://doi.org/10.18203/2320-1770.ijrcog20191211