Saei Ghare Naz, Marzieh, et al. “The Prevalence of Polycystic Ovary Syndrome in Adolescents: A Systematic Review and Meta-Analysis”. International Journal of Reproductive BioMedicine (IJRM), vol. 17, no. 8, Sept. 2019, pp. 533-42, doi:10.18502/ijrm.v17i8.4818.