has part realizes is about has_specified_input has_specified_output achieves_planned_objective role of has role Insulin resistance biological feature identification objective evaluant role assay measuring glucose concentration in blood serum assay glucose tolerance test An assay that measures glucose clearance from blood over time by repeated glucose measurement in blood serum or plasma after the administration of a glucose bolus in-vivo. This assay can be used to evaluate the severity of insulin resistance or the efficiency of glucose clearance. NuGO OBI plan branch PMID: 19527607 Philippe Rocca-Serra glucose tolerance test blood serum specimen administering substance in vivo ready for release