Quantitative elastography associated with endoscopic ultrasound for the diagnosis of chronic pancreatitis - Iglesias-Garcia, Julio; Domínguez-Muñoz, J. Enrique; Castiñeira-Alvariño, Marga; Luaces-Regueira, Maria; Lariño-Noia, Jose (Journal of Digestive Endoscopy, 2013)