Effectiveness of treatment with oral paricalcitol in patients with pre-dialysis chronic kidney disease José Gregogio Hervás Sánchez, José Gregorio Hervás Sánchez, María Dolores Prados Garrido, Aurora Polo Moyano, Sebastian Cerezo Morales

High prevalence of secondary hyperparathyroidism in chronic kidney disease patients on dialysis in Argentina Walter G. Douthat, Mauro Castellano, Leandro Berenguer, Maria Alejandra Guzmán, M. Alejandra Guzmán, Javier de Arteaga, Carlos R. Chiurchiu, Pablo U. Massari, Gabriela Garay, Raul Capra, Raúl Capra, Jorge L. de la Fuente

Activation of vitamin D receptors in the optimization of secondary hyperparathyroidism on dialysis José A. Herrero, López-Gómez, Francisco Maduell, Ángel L. Martín-de Francisco, Alejandro Martín-Malo, Alberto Martínez-Castelao, Juan F. Navarro-González, Miguel Pérez-Fontán, Jesús Pérez, Rafael Selgas, Solozabal