Pharmacochemistry of H1-and H2-Receptors Pharmacochemistry of H3-Receptors Reversible Labelling of H1-, H2-and H3-Receptors Biochemical Properties of Histamine Receptors The H1-Receptor and Inositol Phospholipid Hydrolysis Histamine Receptors and Cyclic Nucleotides The H3-Receptor and Control of Histamine Release Electrophysiology of Histamine-Receptors Autoradiographic Visualization of the Three Histamine Receptor Subtypes in the Brain Histamine Receptors in the Digestive System Ligand Binding and Functional Evidence for the Presence of Histamine Type-1 and Type-2 Receptors of Human T Lymphocytes Histamine Receptors in the Respiratory Tract Histamine Receptors in the Central Nervous System.