RT Journal Article SR Electronic T1 S100 protein is commonly expressed in neuroendocrine tumours of major and minor ampulla JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP jcp-2024-209658 DO 10.1136/jcp-2024-209658 A1 Vanoli, Alessandro A1 Inzani, Frediano A1 Parente, Paola A1 Albarello, Luca A1 Fassan, Matteo A1 Grillo, Federica A1 Messina, Alessia A1 Carlino, Angela A1 Uccella, Silvia A1 Spaggiari, Paola A1 La Rosa, Stefano A1 Rindi, Guido YR 2024 UL http://jcp.bmj.com/content/early/2024/06/07/jcp-2024-209658.abstract AB