Novel lipophilic amidate oxorhenium and oxotechnetium complexes as potential brain agents: synthesis, characterization and biological evaluation - Minas Papadopoulos; Berthold Nock; Theodosia Maina; Ioannis Pirmettis; Catherine Raptopoulou; Anastasios Tasiopoulos; Anastasios Troganis; Themistoklis Kabanos; Aris Terzis; Efstratios Chiotellis (JBIC Journal of Biological Inorganic Chemistry, 2001)