[CITATION][C] Ghatei,.., Williams, G. & Bloom, SR(1987) Glucagon-like peptide 1 (7-36): A physiological incretin in man
B Kreymann - Lancet
[CITATION][C] Glucagon-like peptide-1 7–36: a physiological incretin in man Lancet 2: 1300–1304
B Kreymann, MA Ghatei, G Williams, SR Bloom - 1987 - CAS