Neuroradiology Neuroradiology Stroke CT perfusion: 4 years experience in a specialised single center Guirola Ortiz Jose Andres Mayoral Campos Victoria Menal Muñoz Patricia Padron Rodríguez Noelia Pérez Lázaro Cristina Lasierra Díaz Rafael Gimeno Peribáñez María José Universidad de Zaragoza 2016 research-article