Long-term effects on glycaemic control and β-cell preservation of early intensive treatment in patients with newly diagnosed type 2 diabetes: A multicentre randomized trial. - Chon S; Rhee SY; Ahn KJ; Baik SH; Park Y; Nam MS; Lee KW; Yoo SJ; Koh G; Lee DH; Kim YS; Woo JT (Diabetes, obesity & metabolism, 2018)