DR.PRIYADHARSHINI.M, and DR.SINDU.V. “A Comparative Study Between Immunohistochemistry, Hematoxylin & Eosin and Geimsa Stain for Helicobacter Pylori Detection in Chronic Gastritis”. International Journal of Pharma and Bio Sciences, vol. 8, no. 1, Mar. 2017, pp. 727-33, doi:10.22376/ijpbs.2017.8.1.b727-733.