1. Receptor Databases and Computational Websites for Ligand Binding Brinda K. Rana, Philip E. Bourne and Paul A. Insel 2. How to use the IUPHAR Receptor Database to Navigate Pharmacological Data Chidochangu P. Mpamhanga, Joanna L. Sharman, Anthony J. Harmar, and NC-IUPHAR 3. Radioligand Binding Assays and their Analysis Janet J. Maguire, Rhoda E. Kuc and Anthony P. Davenport 4. Use of Scintillation...