E. Sharquie, K. et al. 2023. Frequency of Malignant Skin Tumors in Relation to Facial Wrinkle Score and Sunlight Exposure. Tikrit Journal of Pharmaceutical Sciences. 9, 2 (Apr. 2023), 270–276. DOI:https://doi.org/10.25130/tjphs.2013.9.2.10.270.276.