Rahman, Farhana, and Qazi Shamima Akhter. “Serum Zinc and Copper Levels in Alopecia”. Journal of Bangladesh Society of Physiologist 14, no. 1 (June 27, 2019): 21–25. Accessed April 23, 2025. https://banglajol.info/index.php/JBSP/article/view/41997.