Di Virgilio, F., R. J. Evans, S. Falzoni, M. F. Jarvis, C. Kennedy, B. S. Khakh, B. King, P. Pellegatti, and J. A. Peters. “P2X Receptors (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database”. IUPHAR/BPS Guide to Pharmacology CITE, Vol. 2019, no. 4, Sept. 2019, doi:10.2218/gtopdb/F77/2019.4.