Fahrenkrug, J., E. J. Goetzl, I. Gozes, A. Harmar, M. Laburthe, V. May, J. R. Pisegna, S. I. Said, D. Vaudry, H. Vaudry, and J. A. Waschek. “VIP and PACAP 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/F67/2019.4.