Association of angiogenic factors with prognosis in esophageal cancer - Dreikhausen, Lena; Blank, Susanne; Peters, Leila; Heger, Ulrike; Weichert, Wilko; Jäger, Dirk; Bruckner, Thomas; Giese, Nathalia; Grenacher, Lars; Ott, Katja; Schmidt, Thomas (BioMed Central, 2015)