Khalilian, A. et al. 2022. Prevalence of Helicobacter felis and Helicobacter heilmannii and Co-infection With Helicobacter pylori in Gastric Biopsy Specimens in Endoscopy Ward of Shahid Beheshti Hospital, Hamadan City, Iran. International Journal of Medical Toxicology and Forensic Medicine. 12, 2 (Apr. 2022), 33088. DOI:https://doi.org/10.32598/ijmtfm.vi.33088.