laboratory diagnostic - testing and comparison - biological samples and assessment reports - quality control - internal - reference strains - quantitative - Micrococcus luteus, equivalent collections 15957, vial x10 gel balls x25 microliters, C.F.U < 1.000, keep at freezer (-20°C-10°C), transported at room temperature for up to 1 week, code L63RS1124-1, todylaboratories®, expires 2026.09.07