148 Ou Ou S.M. S.M. Shih Shih C.J. C.J. Chao Chao P.W. P.W. Chu Chu H. H. Kuo Kuo S.C. S.C. Lee Lee Y.J. Y.J. Effects on clinical outcomes of adding dipeptidyl peptidase-4 inhibitors versus sulfonylureas to metformin therapy in patients with type 2 diabetes mellitus Effects on clinical outcomes of adding dipeptidyl peptidase-4 inhibitors versus sulfonylureas to metformin therapy in patients with type 2 diabetes mellitus Ann Intern Med. The gene discussed is DPP4; the disease is diabetes mellitus.