The majority of patients with long-duration type 1 diabetes are insulin microsecretors and have functioning beta cells

Lessons From the Mixed-Meal Tolerance Test: Use of 90-minute and fasting C-peptide in pediatric diabetes

(2012) R. E. J. Besser et al.   DIABETES CARE

Persistence of Prolonged C-peptide Production in Type 1 Diabetes as Measured With an Ultrasensitive C-peptide Assay

(2012) L. Wang et al.   DIABETES CARE

Urinary C-Peptide Creatinine Ratio Is a Practical Outpatient Tool for Identifying Hepatocyte Nuclear Factor 1- /Hepatocyte Nuclear Factor 4-  Maturity-Onset Diabetes of the Young From Long-Duration Type 1 Diabetes

(2011) R. E. J. Besser et al.   DIABETES CARE

Urine C-Peptide Creatinine Ratio Is a Noninvasive Alternative to the Mixed-Meal Tolerance Test in Children and Adults With Type 1 Diabetes

(2011) R. E. J. Besser et al.   DIABETES CARE

Urine C-peptide creatinine ratio is an alternative to stimulated serum C-peptide measurement in late-onset, insulin-treated diabetes

(2011) A. G. Jones et al.   DIABETIC MEDICINE

Residual Insulin Production and Pancreatic  -Cell Turnover After 50 Years of Diabetes: Joslin Medalist Study

(2010) H. A. Keenan et al.   DIABETES

Stability and Reproducibility of a Single-Sample Urinary C-Peptide/Creatinine Ratio and Its Correlation with 24-h Urinary C-Peptide

(2009) T. J. McDonald et al.   CLINICAL CHEMISTRY

Standardization of C-Peptide Measurements

(2008) R. R. Little et al.   CLINICAL CHEMISTRY

Mixed-Meal Tolerance Test Versus Glucagon Stimulation Test for the Assessment of  -Cell Function in Therapeutic Trials in Type 1 Diabetes

(2008) C. J. Greenbaum et al.   DIABETES CARE

Clinical manifestations and beta cell function in Swedish diabetic children have remained unchanged during the last 25 years

(2008) Maria Nordwall et al.   DIABETES-METABOLISM RESEARCH AND REVIEWS