Endoscopy, Table of Contents Endoscopy 1998; 30(4): 408-411DOI: 10.1055/s-2007-1001290 Editorial © Georg Thieme Verlag KG Stuttgart · New York Clinical Photodynamic Therapy: Where Is It Heading? C. Ell Department of Medicine II, Wiesbaden, Germany Recommend Article Abstract PDF Download Buy Article PDF (1114 kb)