“Estimating the Concentration of Some Heavy Metals (Cadmium and Nickel) in Blood Serum Samples of Lung Cancer Patients in Iraq” (2023) Eurasian Medical Research Periodical, 16, pp. 67–72. Available at: https://geniusjournals.org/index.php/emrp/article/view/3202 (Accessed: 30 January 2026).