Yucebilgili, K., Mehmetoğlu, T., Gucin, Z., & Salih, B. A. (2009). Helicobacter pylori DNA in gallbladder tissue of patients with cholelithiasis and cholecystitis. The Journal of Infection in Developing Countries, 3(11), 856–859. https://doi.org/10.3855/jidc.334