Insulin & C-Peptide Levels in Sulfonylurea-Induced Hypoglycemia: A Systematic Review Christopher R. DeWitt, Kennon Heard, Javier C. Waksman. JOURNAL OF MEDICAL TOXICOLOGY, VOLUME 3, NUMBER 1, pages 107-118, SEPTEMBER 2007. We have in PDF format (191 KB). If you wish, ask us and we’ll send you.