In Vivo Endoscopic Optical Coherence Tomography of Esophagitis, Barrett's Esophagus, and Adenocarcinoma of the Esophagus - Jäckle, S.; Gladkova, N.; Feldchtein, F.; Terentieva, A.; Brand, B.; Gelikonov, G.; Gelikonov, V.; Sergeev, A.; Fritscher-Ravens, A.; Freund, J.; Seitz, U.; Schröder, S.; Soehendra, N. (Endoscopy, 2000)