Pachkoria, Elene, et al. “Isolation of Exstraintestinal Pathogenic E.Coli from Ostcholecystectomic Samples and Their Antimicrobial Profile in Georgia”. Collection of Scientific Works of Tbilisi State Medical University, vol. 47, Apr. 2013, pp. 125-7, doi:10.52340/csw.2013.47.01.01.