Seubwai, C., U. Tattawasart, and C. Engchanil. “Virulence Factors in High-Level Gentamicin Resistant Enterococcus Faecalis Isolates from Hospitalized Patients”. Srinagarind Medical Journal, vol. 26, no. 3, Oct. 2013, pp. 207-12, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12810.