2Shomali M. Diabetes treatment in 2025: can scientific advances keep pace with prevalence? [J]. Ther Adv En- docrinol Metab,2012,3(5) :163-173.
3Lajara R. Use of the dipeptidyl peptidase-4 inhibitor lin- agliptin in combination therapy for type 2 diabetes[J]. Expert Opin Pharmacother, 2012,13 (18) : 2663-2671.