Differentiation between vibrio cholerae and Vibrio cholerae biotype El Tor by the polymyxin B disc test: comparative results with TCBS, Monsur's, Mueller-Hinton and nutrient agar media.
D008722:Methods; D011113:Polymyxins; D014733:Vibrio / Q000302:isolation & purification*
D011113:Polymyxins