laboratory diagnostic - testing and comparison - biological samples and assessment reports - quality control - internal - reference strains - qualitative - Pseudomonas aeruginosa, equivalent collections 27853, NCTC 12903, DSM 1117, WDCM 00025, recomended by EUCAST & CLSI, vial x10 discs, keep at freezer, C.F.U between 10^6-10^9, freeze-dried, water-soluble, used in solid or liquid media, code L37RS1041-10, todylaboratories®