Natural progression of renal function in the elderly: analysis of poor prognosis factors associated with chronic kidney disease MANUEL HERAS, Manuel Heras, PEDRO GARCIA COSMES, Pedro García-Cosmes, MARIA JOSE FERNANDEZ-REYES, María J. Fernández-Reyes, ROSA SANCHEZ, Rosa Sánchez

The importance of comorbidity in nephrologists' assessment of acute renal failure Ortiz Librero, Mon Mon, Herrero Berrón, Lentisco Ramírez, Gracia Iguacel, Oliet Pala, Vigil Medina, Ortega Marcos, Gallar Ruiz, Rodríguez Villarreal, Sánchez Sánchez

Decrease in renal function associated with hypothyroidism Vladimir Petkov Stoyanov, Juan A. Martín Navarro, Evangelina Mérida Herrero, Mª José Gutiérrez Sánchez