Butool F, Mohammed A, Syed PA, Mohammed RA. Role of serum Zinc and Copper levels in patients with acne vulgaris. J Orofac Res [Internet]. 2019 Nov. 24 [cited 2025 Dec. 5];8(4):71-5. Available from: https://www.mansapublishers.com/jofr/article/view/1818