Badkur, D., Singh, S., Chauhan, D. S., & Sinha, A. (2018). Premenstrual syndrome and its association with menstrual profile among female students of colleges in Ujjain city, Madhya Pradesh, India. International Journal of Research in Medical Sciences, 6(8), 2726–2731. https://doi.org/10.18203/2320-6012.ijrms20183259