Samo, A. A.; Baig, N. M.; Raheela Bibi Sayed; Sohail, A.; Fazila Usman; Sayeda Jeea Abbas; Tayyaba Khan; Laghari, Z. A. Association of COVID19-Affected Mental Health With Menstrual Abnormalities Among University Students: A Cross Sectional Study from Pakistan. biosight 2021, 2, 40-49.