Effect of EpCAM, CD44, CD133 and CD166 expression on patient survival in tumours of the ampulla of Vater

Piscuoglio S, Lehmann FS, Zlobec I, Tornillo L, Dietmaier W, Hartmann A, Wünsch PH, Sessa F, Rümmele P, Baumhoer D, Terracciano LM