Mohammad1, N., & 		Salih2, S.
2019 Aug  4.  Helicobacter pylori infection Evluated by C14-urea Breath test and it`s Relation with age, sex and ABO/Rhesus blood Groups in Patients with Gastrointestinal complaints in Kirkuk City / Iraq.. Tikrit Journal of Pure Science. [Online] 24:4