Preface. Quantities. General considerations of biokinetics and dosimetry. Introduction. Selection of radiopharmaceuticals. Selection of organs and tissues for dose calculations. Biokinetic models and data. Methods for calculating absorbed dose. Effective dose equivalent. Impurities in radiopharmaceutical preparations. References. Appendix A: Special biokinetic models. Appendix B: Calculation of absorbed dose to organs in cases where specific S-Values are not available. Biokinetic models, absorbed doses and effective dose equivalents for individual radiopharmaceuticals.