1. Adrenaline and Noradrenaline.- 2. Acetylcholine.- 3. Histamine.- 4. 5-Hydroxytryptamine.- 5. Prostanoids.- 6. Leukotrienes.- 7. Platelet-Activating Factor.- 8. Purines.- 9. GABA and Benzodiazepines.- 10. Glucocorticoids.Springer Book ArchivesNLGPSR ComplianceThe European Union's (EU) General Product Safety Regulation (GPSR) is a set of rules that requires consumer products to be safe and our obligations to ensure this.If you have any concerns about our products you can contact us on ProductSafety@springernature.com.In case Publisher is established outside the EU, the EU authorized representative is:Springer Nature Customer Service Center GmbHEuropaplatz 369115 Heidelberg, GermanyProductSafety@springernature.com