Drucker Drucker DJ DJ Nauck Nauck MA MA The incretin system: glucagon-like peptide-1 receptor agonists and dipeptidyl peptidase-4 inhibitors in type 2 diabetes The incretin system: glucagon-like peptide-1 receptor agonists and dipeptidyl peptidase-4 inhibitors in type 2 diabetes Lancet Lancet 2006 2006 10.1016/s0140-6736(06)69705-5 10.1016/s0140-6736(06)69705-5 supplied-pmid 17098089? This evidence concerns the gene GLP1R and type 2 diabetes mellitus.