Doraiswamy, S., Kumar, D., Sreeramulu, P. N. and ., S. (2019) “Diagnosis of Helicobacter pylori in cholelithiasis and cholecystitis: by histology and serological association”, International Surgery Journal, 6(11), pp. 3986–3990. doi: 10.18203/2349-2902.isj20195110.