28 Nauck Nauck MA MA Kemmeries Kemmeries G G Holst Holst JJ JJ Meier Meier JJ JJ Rapid tachyphylaxis of the glucagon-like peptide 1-induced deceleration of gastric emptying in humans Rapid tachyphylaxis of the glucagon-like peptide 1-induced deceleration of gastric emptying in humans Diabetes Diabetes 2011 2011 60 60 5 5 1561 1561 1565 1565 21430088 21430088. The gene discussed is GCG; the disease is diabetes mellitus.