laboratory diagnostic - testing and comparison - biological samples and assessment reports - quality control - internal - reference strains - qualitative - Enterococcus faecium, equivalent collections 19434, NCTC® 7171, DSM® 20477, WDCM 00010, 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 L37RS1093-10 (temporary code L37RS1088-10), todylaboratories®