Fig. 4From: Comparison of colistin-induced nephrotoxicity between two different formulations of colistin in critically ill patients: a retrospective cohort studyHPLC analysis for a CMS reference standard of CMS, b Locolin®, and c Colimycin®. The compositions of CMS A and CMS B are presented separately. HPLC high-performance liquid chromatography, CMS colistin methanesulfonateBack to article page