Hossain, M. 2015. Alarming Pandrug Resistance (PDR), Extensive Drug Resistance (XDR), and Multidrug Resistance (MDR) Gram-Negative Bacilli. Journal of Current and Advance Medical Research. 2, 1 (Mar. 2015), 1–2. DOI:https://doi.org/10.3329/jcamr.v2i1.22578.