Quality control guidelines for testing Gram-negative control strains with polymyxin B and colistin (polymyxin E) by standardized methods.

Quality control guidelines for testing Gram-negative control strains with polymyxin B and colistin (polymyxin E) by standardized methods. by Jones RN, Anderegg TR and Swenson JM published in J. Clin. Microbiol. 2005; 43 (2): 925-927