1. Jerrold Turner (2015). The Gastrointestinal Tract. Robbins and Cotran Pathologic Basis of Disease, 763-831.
2. Manfred Stolte,Alexander Meining (2001). The Updated Sydney System: Classification and Grading of Gastritis as the Basis of Diagnosis and Treatment. Canadian Journal of Gastroenterology, 15(9), 591-598.
3. Michael Dixon,Robert Genta,John Yardley,Pelayo Correa (1996). Classification and Grading of Gastritis. The American Journal of Surgical Pathology, 20(10), 1161-1181.
4. Pentti Sipponen,Heidi-Ingrid Maaroos (2015). Chronic gastritis. Scandinavian Journal of Gastroenterology, 50(6), 657-667.
5. A Bello,A Umar,M Borodo (2018). Prevalence and risk factors for Helicobacter pylori infection in gastroduodenal diseases in Kano, Nigeria. Afr J Med Health Sci, 17, 41-46.
6. H Maaroos,T Rägo,P Sipponen,M Siurala (1991). Helicobacter pylori and gastritis in children with abdominal complaints. Scand J Gastroenterol, 26, 95-99.
7. C Holcombe (1992). Helicobacter pylori: the African enigma. Gut, 33(4), 429-431.
8. R Saad,W Chey (2008). Persistent Helicobacter pylori infection after a course of antimicrobial therapy-what's next?. Clin Gastroenterol Hepatol, 6, 1086-1090.
9. Michael Burkitt,Carrie Duckworth,Jonathan Williams,D Pritchard (2017). Helicobacter pylori-induced gastric pathology: insights from in vivo and ex vivo models. Disease Models & Mechanisms, 10(2), 89-104.
10. A Jemilohun,J Otegbayo,S Ola,O Oluwasola,A Akere (2011). Prevalence of Helicobacter pylori among Nigerian patients with dyspepsia in Ibadan. Pan African Medical Journal, 6(1), 1-6.
11. Pj -Gastrointestinal Pasricha,Endoscopy,J Lee Goldman,Clande Bennett (2000). Gastrointestinal Endoscopy. Goldman's Cecil Medicine, 21, 851-857.
12. R Thapa,Lakheym,P Yadav,P Kandel,C Aryal,K Subba (2013). Histopathological Study of Endoscopic Biopsies. J Nepal Med Assoc, 52(190), 354-356.
13. B Marshall,H Royce,D Annear (1994). Original isolation of Campylobacter pyloridis from human gastric mucosa. FEMS Microbiol Lett, 25, 83-88.
14. M Tanko,G Echejoh,B Mandong,A Manasseh,A Malu (2007). Gastric histopathological findings in mucosal biopsies of symptomatic patients in Jos central Nigeria. Nigerian Journal of Medicine, 16(2), 113-118.
15. Abdulfatai Olokoba,Laraba Accama,Wadzani Gashau,Fatai Salawu (2013). Risk factors and clinical presentation of hepatitis C virus infection in Nigerians with chronic liver disease. Tropical Doctor, 41(3), 146-147.
16. Ahmed Kalebi,F Rana,W Mwanda,G Lule,M Hale (2007). Histopathological profile of gastritis in adult patients seen at a referral hospital in Kenya. World Journal of Gastroenterology, 13(30), 4117.
17. Carla Carrilho,Prassad Modcoicar,Lina Cunha,Mamudo Ismail,Acucena Guisseve,Cesaltina Lorenzoni,Fabiola Fernandes,Bárbara Peleteiro,Raquel Almeida,Céu Figueiredo,Leonor David,Nuno Lunet (2009). Prevalence of Helicobacter pylori infection, chronic gastritis, and intestinal metaplasia in Mozambican dyspeptic patients. Virchows Archiv, 454(2), 153-160.
18. K C S Raj,A Lakhey,K Koirala,G Amatya (2016). Prevalence of Helicobacter pylori among patients with dyspepsia and correlation between endoscopic and histological diagnosis. Journal of Pathology of Nepal, 6, 942-946.
19. S Afzal,M Ahmad,A Mubarik,F Saeed,S Rafi,N Saleem (2006). Morphological spectrum of gastric lesions -endoscopic biopsy findings. Pak Armed Forces Med J, 56(2), 143-149.
20. B A Sheikh,S Hamdani,R Malik (2015). Histopathological spectrum of lesions of upper gastrointestinal tract -A study of endoscopic biopsies. Global J Medi Public Health, 4(4), 1-8.
21. Nato Tarkhashvili,Rusudan Beriashvili,Neli Chakvetadze,Maia Moistsrapishvili,Maia Chokheli,Merab Sikharulidze,Lile Malania,Nato Abazashvili,Ekaterine Jhorjholiani,Marina Chubinidze,Nanuli Ninashvili,Tamar Zardiashvili,Ucha Gabunia,Dimitri Kordzaia,Paata Imnadze,Jeremy Sobel,Jeannette Guarner (2009). Helicobacter pyloriInfection in Patients Undergoing Upper Endoscopy, Republic of Georgia. Emerging Infectious Diseases, 15(3), 504-505.
22. Pelayo Correa,M Piazuelo (2012). The gastric precancerous cascade. Journal of Digestive Diseases, 13(1), 2-9.
23. Pentti Sipponen (1997). Helicobacter pylori gastritis—Epidemiology. Journal of Gastroenterology, 32(2), 273-277.
24. R Hunt (1993). Hp and pH: implications for the eradication of Helicobacter pylori. Scand J Gastroenterol, 196, 12-16.
25. El-Zimaity Hm (2000). Accurate diagnosis of Helicobacter pylori with biopsy. Gastroenterol Clin North Am, 29(4), 863-869.
26. J Bravo,P Correa (1999). Sulphomucins favour adhesion of Helicobacter pylori to metaplastic gastric mucosa. Journal of Clinical Pathology, 52(2), 137-140.
27. A Duggan,Rph Legan (2002). Helicobacter Pylori: Diagnosis and management. Bloom S. In. Practical Gastroenterol, 471-473.
28. Pelayo Correa,Blanca Piazuelo,Keith Wilson (2010). Pathology of Gastric Intestinal Metaplasia: Clinical Implications. American Journal of Gastroenterology, 105(3), 493-498.
29. Pentti Slpponen,Matti Kekki,Jaason Haapakoski,Timo Ihamäki,Max Siurala (1985). Gastric cancer risk in chronic atrophic gastritis: Statistical calculations of cross‐sectional data. International Journal of Cancer, 35(2), 173-177.
30. M Fennerty (2003). Gastric intestinal metaplasia on routine endoscopic biopsy. Gastroenterology, 125, 586-590.
31. Sung Lee,Hye Kang,Kwang Kim,Dae Ahn (2010). The Diagnostic Accuracy of Endoscopic Biopsy for Gastric Dysplasia. Journal of Gastric Cancer, 10(4), 175.
32. Den Hoed,C Van Eijck,B Capelle,L Van Dekken,H Biermann,K Siersema,P (2011). The prevalence of premalignant gastric lesions in asymptomatic patients: predicting the future incidence of gastric cancer. Eur. J. Cancer, 47, 1211-1218.
33. C Morson,E Sobin L H, Grundmann,A Johanson,T Nagayo,A Serck-Hanssen (1980). Precancerous conditions and epithelial dysplasia in the stomach. J ClinPathol, 33, 711-721.
34. Perttu Arkkila,Kari Seppälä,Timo Kosunen,Reijo Haapiainen,Eero Kivilaakso,Pentti Sipponen,Judit Mäkinen,Hannu Nuutinen,Hilpi Rautelin,Martti Färkkilä (2003). Eradication of Helicobacter Pylori Improves The Healing Rate and Reduces The Relapse Rate of Nonbleeding Ulcers in Patients With Bleeding Peptic Ulcer. American Journal of Gastroenterology, 98(10), 2149-2156.
35. (2020). Many countries have inadequate plans to tackle antibiotic resistance, WHO finds. The Pharmaceutical Journal
36. Manfred Stolte,Alexander Meining (2001). The Updated Sydney System: Classification and Grading of Gastritis as the Basis of Diagnosis and Treatment. Canadian Journal of Gastroenterology, 15(9), 591-598.
