Jalil, Abdul, Shafiq Ahmad Tariq, and Iftikhar ud Din Niazi. 2011. “COMPARATIVE SUSCEPTIBILITIES OF B - LACTAMASE PRODUCING ISOLATES OF PROTEUS MIRABILIS TO CEFTRIAXONE ALONE AND IN COMBINATION WITH SULBACTAM”. Journal of Postgraduate Medical Institute 22 (4). https://jpmi.org.pk/index.php/jpmi/article/view/1107.