laboratory diagnostic - testing and comparison - biological samples and assessment reports - quality control - internal - reference strains - qualitative - Klebsiella pneumoniae, equivalent collections 13883, NCTC 9633, DSM 30104, WDCM 00097, vial x10 discs, keep in the freezer, C.F.U between 10^6-10^9, freeze-dried, water-soluble, used in solid or liquid media, code L37RS1028-10, todylaboratories®, expires 2025.09