K Sadeq , Firyal, Shahab A Shakir, and Ahmed Khalid Abdullah. “Photodamage Effect of UV Rays on Skin on Outdoor Workers ”. Diyala Journal of Medicine 22, no. 1 (April 25, 2022): 41–50. Accessed October 25, 2025. https://djm.uodiyala.edu.iq/index.php/djm/article/view/875.