Differences in dialysis modality choice between immigrant and native populations in Barcelona, Spain María Dolores Arenas-Jiménez, Jose Luis Fernandez-Martin, Isabel Galcerán Herrera, Marisol Fernández-Chamarro, Guillermo Pedreira-Robles, Silvia Collado Nieto, Julia Farrera Núñez, Eva Rodríguez García, Alicia Moreno Rodríguez, Laura Morro Fernández, Marta Crespo Barrio, Julio Pascual Santos

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

Impact of dialysis modality on morbimortality of kidney transplant recipients after allograft failure. Analysis in the presence of competing events Sandra Beltrán Catalán, Asunción Sancho Calabuig, Pablo Molina, Belén Vizcaíno Castillo, Eva Gavela Martínez, Julia Kanter Berga, Mercedes González Moya, Luis Manuel Pallardó Mateu