Hinda Tahseen Jasim, Maha Elttayef Jasim و Marwa Malik Khalaf (2022) "Study of the effect of Helicobacter pylori bacteria on some levels of trace elements in injured patients in Samarra city", Tikrit Journal of Pure Science, 27(1), ص 19–23. doi: 10.25130/tjps.v27i1.78.