Anfal Kadhim Noori و Sahib J. Abdoul rahman 2023. Study the Balance System Between Oxidants/Antioxidants in Patients with Peptic Ulcer in City of Tikrit and it’s Suburb. Tikrit Journal of Pure Science. 20, 1 (2023), 63–70. DOI:https://doi.org/10.25130/tjps.v20i1.1137.