Ali Hamid, Karima, Malik, Mohamed, Mukhtar, Nada, Talha, Albadawi, Hamid, Yousif, AND Abakar, Adam. " Evaluation of Imprint Cytology of Endoscopic Gastric Mucosa Biopsy in the Diagnosis of Helicobacter pylori Infection" Gezira Journal of Health Sciences [Online], Volume 14 Number 1 (1 June 2018)