Principles of therapy with unsealed sources / Janet F. Eary -- Therapeutic radioisotopes / Joseph G. Rajendran -- Radionuclide joint therapy / Winfried Brenner -- Treatment of differentiated thyroid carcinoma / Maria Joao Oliveira and J.M. Pereira de Oliveira -- Palliation of bone pain from osteoblastic metastases / Edward B. Silberstein -- 224RaCl therapy for treatment of ankylosing spondylitis / Willm Uwe Kampen and Norbert Czech -- Radioimmunotherapy of solid tumors / Chaitanya Divgi -- Radioimmunotherapy of lymphomas / Ajay Gopal -- Polycythemia vera and therapy with phosphorus-32 / Teresa C. Ferreira, M. Rosario Vieira, and Frederik A.A. de Jonge -- Iodine-131 radiotherapy for benign thyroid desease / Sandi A. Kwee, Marc N. Coel, and David Fitz-Patrick.