Sarwar, Shahid, Shandana Tarique, Umaima Waris, and Anwaar Khan. “Cephalosporin Resistance in Community Acquired Spontaneous Bacterial Peritonitis”. Pakistan Journal of Medical Sciences 35, no. 1 (January 21, 2019). Accessed January 27, 2021. http://pjms.org.pk/index.php/pjms/article/view/17.