Vitamin D ratio and glycaemic control in individuals with type 2 diabetes mellitus: A systematic review.Published in:2018By:Santos, Ramara Kadija Fonseca;Brandão‐Lima, Paula Nascimento;Tete, Raissa Maria Dumas Delatore;Freire, Analícia Rocha Santos;Pires, Liliane Viana;Brandão-Lima, Paula NascimentoPublication type:journal article