Effect of 6-week course of glucagon-like peptide 1 on glycaemic control, insulin sensitivity, and beta-cell function in type 2 diabetes: a parallel-group study.
Lancet. 2002 Mar 9;359(9309):824-30. doi: 10.1016/S0140-6736(02)07952-7.
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PMID: 11897280
Clinical Trial.