This publication contains a collection of 22 manuscripts by authors invited to write review articles. They are based on lectures presented on the First and Second Training Course in Radiopharmacy and Radiopharmacology. These courses were organized under the auspices of the "Joint Committee on Radiopharmaceuticals" of both European Societies of Nuclear Medicine (ENMS and SNME) and were sponsored by the European Society of Nuclear Medicine (ENMS). Recent developments in radiopharmacy and radiopharmacology have been very complex; they cannot be overlooked by the medical staff in nuclear medical...