Watkins, J D, Carter, S, Atkinson, G, Koumanov, F, Betts, J A, Holst, J & Gonzalez, J T 2023, ' Glucagon-like peptide-1 secretion in people with versus without type 2 diabetes: A systematic review and meta-analysis of cross-sectional studies ', Metabolism, vol. 140, 155375 . https://doi.org/10.1016/j.metabol.2022.155375 Watkins, J D, Carter, S, Atkinson, G, Koumanov, F, Betts, J A, Holst, J J & Gonzalez, J T 2023, ' Glucagon-like peptide-1 secretion in people with versus without type 2 diabetes : a systematic review and meta-analysis of cross-sectional studies ', Metabolism, vol. 140, 155375 . https://doi.org/10.1016/j.metabol.2022.155375