Narain, Ayushi, P. Karkuzhali, R.Vinoth Kumar, and J. Thanka. “Role of Immunohistochemistry Versus He Stain in Helicobacter Pylori Detection in Gastric Lesions”. Journal of Pharmaceutical Research International 33, no. 21A (April 7, 2021): 21-35. Accessed April 13, 2021. https://journaljpri.com/index.php/JPRI/article/view/31365.