Interaction between the stage of chronic kidney disease and diabetes mellitus as factors associated with mortality in chronic kidney disease patients: An external cohort study Laura E. Villegas Sierra; Melisa Buriticá Agudelo; Carlos Enrique Yepes Delgado; Yanett Marcela Montoya Jaramillo; Fabián Jaimes Barragan;

Physical exercise and peritoneal dialysis: An area yet to be explored José Inacio Maia Neves Menezes; Luciano Artur Lopes Pereira;

Increased serum phosphate concentration within the normal reference levels is associated with all-cause mortality in non-dialysis CKD patients: A five-year prospective cohort study Ana Cerqueira; Janete Quelhas-Santos; Núria Paulo; Claúdia Camila Dias; Manuel Pestana;