Faiza Safdar, Shabana Kalsoom, Noreen Majeed, Khairun Nisa, Mamoona Riaz, Shamsa Tariq, . “Comparison of Efficacy and Safety of Zinc Gluconate Versus Placebo for Treatment of Primary Dysmenorrhea”. Journal of Rawalpindi Medical College, vol. 26, no. 3, Sept. 2022, doi:10.37939/jrmc.v26i3.1753.