during hypoglycemia ( plasma glucose less than or equal to 40 mg/dl ) the mean c-peptide immunoreactivity ( cpr ) of normal subjects was less than or equal to 1.2 ng/ml , whereas 11 of 12 insulinoma patients had a mean cpr of larger than or equal to 1.9 ng/ml .
C0020615
hypoglycemia
C0021670
patients