Chemical preparations, and reagents, for medical use and medical diagnostic purposes; Reagents used to collect, stabilize, transport and prepare analytes, namely, nucleic acids, proteins, and metabolites, from biological samples, sourced from blood, saliva, tissue, skin, feces, sputum, urine and other bodily fluids for medical diagnostic use; Reagents for the analysis of urine analytes for medical diagnostic purposes, chemical and biological preparations for use as calibrators in diagnostic a...