Tarek H. Abed Tawfik Al-Khyat. (2013). The Relationship between Tumour Necrosis Factor -Alpha and Zinc/Copper Ratio in Iraqi Patients with Allergic Rhinitis. Global Journal of Science Frontier Research, 13(G3), 7–10. Retrieved from https://journalofscience.org/index.php/GJSFR/article/view/1065