“Estimating the Concentration of Some Heavy Metals (Cadmium and Nickel) in Blood Serum Samples of Lung Cancer Patients in Iraq”, Eura. Med.Res. Per, vol. 16, pp. 67–72, Jan. 2023, Accessed: Jan. 30, 2026. [Online]. Available: https://geniusjournals.org/index.php/emrp/article/view/3202