Ifeanyichukwu Martin Ositadinma & Ngwu Amauche Martina 2020. Copper, Magnesium and Selenium Levels in Serum Samples of Male Patients with Type 2 Diabetes Mellitus. Archives of Current Research International. 20, 1 (Feb. 2020), 1–5. DOI:https://doi.org/10.9734/acri/2020/v20i130166.