Al-Qarqaz, Firas, Khaldon Bodoor, Ala Baba, Ali Al-Yousef, Jihan Muhaidat, and Diala Alshiyab. “Post-Acne Hyperpigmentation: Evaluation of Risk Factors and the Use of Artificial Neural Network As a Predictive Classifier”. Dermatology Reports 13, no. 3 (October 6, 2021). Accessed July 8, 2024. https://www.pagepress.org/journals/dr/article/view/8223.