* Division of Radiological Chemistry and Diagnostic Radiology, Department of Radiology, University Hospital Basel, Petersgraben 4, CH-4031 Basel, Switzerland.
** Laboratoire de Chimie Inorganique et Bioinorganique, Ecole Polytechnique Fédérale de Lausanne, EPFL-BCH, CH-1015 Lausanne, Switzerland.
DOTA, Bombesin, GRP-Receptor