Consensus 2021 for medical management of type 2 diabetes from the diabetes, obesity, and nutrition working group of the Spanish Society of Internal Medicine oleh Francisco J. Carrasco-Sánchez, José M. Fernández-Rodríguez, Pedro P. Casado-Escribano, José P. Miramontes-González, Ricardo Gómez-Huelgas, María D. García-de-Lucas, Javier Ena, Juana Carretero-Gómez, on behalf of the Diabetes, Obesity and Nutrition Working Group of the Spanish Society of Internal Medicine