McIntosh CH, Demuth HU, Pospisilik JA, Pederson R (June 2005). "Dipeptidyl peptidase IV inhibitors: how do they work as new antidiabetic agents?". Regulatory Peptides. 128 (2): 159–65. doi:10.1016/j.regpep.2004.06.001. PMID15780435. S2CID9151210.
McIntosh CH, Demuth HU, Pospisilik JA, Pederson R (June 2005). "Dipeptidyl peptidase IV inhibitors: how do they work as new antidiabetic agents?". Regulatory Peptides. 128 (2): 159–65. doi:10.1016/j.regpep.2004.06.001. PMID15780435. S2CID9151210.
McIntosh CH, Demuth HU, Pospisilik JA, Pederson R (June 2005). "Dipeptidyl peptidase IV inhibitors: how do they work as new antidiabetic agents?". Regulatory Peptides. 128 (2): 159–65. doi:10.1016/j.regpep.2004.06.001. PMID15780435. S2CID9151210.