Hypoxia induces EMT in low and highly aggressive pancreatic tumor cells but only cells with cancer stem cell characteristics acquire pronounced migratory potential. oleh Alexei V Salnikov, Li Liu, Mitja Platen, Jury Gladkich, Olga Salnikova, Eduard Ryschich, Jürgen Mattern, Gerhard Moldenhauer, Jens Werner, Peter Schemmer, Markus W Büchler, Ingrid Herr