COX-2 expression in ampullary carcinoma: correlation with angiogenesis process and clinicopathological variables
G Perrone, D Santini, A Verzì, B Vincenzi, D Borzomati, F Vecchio, R Coppola, A Antinori, P Magistrelli, G Tonini, C Rabitti
Journal of Clinical Pathology May 2006, 59 (5) 492-496; DOI: 10.1136/jcp.2005.030098