Early kidney transplant failure and return to peritoneal dialysis: preliminary study of permeability and dialysis efficacy Francisco Coronel, Enrique Florit, Secundino Cigarrán-Guldrís, José A. Herrero-Calvo, Margarita Delgado-Córdova, Beatriz Rodríguez-Cubillo

Testosterone deficiency in dialysis patients: Differences according to the dialysis techniques Secundino Cigarrán, Francisco Coronel, Enrique Florit, Jesús Calviño, Juan Villa, Lourdes Gonzalez Tabares, José Antonio Herrero, Juan Jesús Carrero

Costs and added value of haemodialysis and peritoneal dialysis outsourcing agreements Lamas Barreiro, Alonso Suárez, Saavedra Alonso, Gándara Martínez