Candidate gene study of TRAIL and TRAIL receptors: association with response to interferon beta therapy in multiple sclerosis patients. oleh Carlos López-Gómez, Almudena Pino-Ángeles, Teresa Órpez-Zafra, María Jesús Pinto-Medel, Begoña Oliver-Martos, Jesús Ortega-Pinazo, Carlos Arnáiz, Cristina Guijarro-Castro, Jezabel Varadé, Roberto Álvarez-Lafuente, Elena Urcelay, Francisca Sánchez-Jiménez, Óscar Fernández, Laura Leyva