title: When metformin fails in type 2 diabetes mellitus.
authors.forename: Katherine
authors.initials: K
authors.lastname: Esposito
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Bellastella
authors.forename: Dario
authors.initials: D
authors.lastname: Giugliano
mesh_terms: D000368:Aged; D000465:Algorithms; D003924:Diabetes Mellitus, Type 2 / Q000188:drug therapy*; D005260:Female; D006442:Glycated Hemoglobin / Q000032:analysis; D006801:Humans; D006943:Hyperglycemia / Q000188:drug therapy; D007004:Hypoglycemic Agents / Q000627:therapeutic use*; D008297:Male; D008687:Metformin / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D017211:Treatment Failure
chemical_list: D006442:Glycated Hemoglobin; D007004:Hypoglycemic Agents; D008687:Metformin; C517652:hemoglobin A1c protein, human