Valentina Echeverría Pages 1293 - 1293 ( 1 )
Facultad de Ciencias de la Salud, Universidad San Sebastian, Lientur 1457, Concepcion, Chile. Research & Development Service, Department of Veterans Affairs, Bay Pines VA Healthcare System, 10,000 Bay Pines Blvd, Bldg 22, Rm 123. Bay Pines, Florida 33744, USA.