Hypogonadism associated with muscle atrophy, physical inactivity and ESA hyporesponsiveness in men undergoing haemodialysis Gabriela Cobo, Paloma Gallar, Cristina Di Gioia, Concepción García Lacalle, Rosa Camacho, Isabel Rodriguez, Olimpia Ortega, Carmen Mon, Ana Vigil, Bengt Lindholm, Juan Jesús Carrero

Unlocking the circular economy potential of spent dialysate in hemodialysis Faissal Tarrass, Meryem Benjelloun

Role of pyrophosphate in vascular calcification in chronic kidney disease Daniel Azpiazu, Sergio Gonzalo, Emilio González-Parra, Jesús Egido, Ricardo Villa-Bellosta