Survival and clinical features in Hispanic amyotrophic lateral sclerosis patients

Héctor R. Martínez, Juan Francisco Molina-López, Leonel Cantú-Martínez, María Teresa González-Garza, Jorge E. Moreno-Cuevas, Patricio Couret-Alcaraz, Sergio A. Treviño, Yenny Webb-Vargas, Enrique Caro, Alfonso Gil-Valadez, Jesús Santos-Guzmán, Martin Hernandez-Torre