%0 Journal Article %T Cytological Ki-67 in pancreatic endocrine tumors: a new ¡°must¡±? %A Giulia Franchi %A Marco F. Manzoni %J SCIE-indexed Journal %D 2014 %X Many changes have occurred in medical science and practice over the last 50 years %U http://gs.amegroups.com/article/view/4826/5920