Caruso, V., Chai, B.-X., Clark, A. J. L., Cone, R. D., Eberle, A. N., Farooqi, S., Fong, T. M., Gantz, I., Haskell-Luevano, C., Hruby, V. J., Mountjoy, K. G., Pouton, C., Schiöth, H., Tatro, J. B. and Wikberg, J. E. S. (2019) “Melanocortin receptors (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database”, IUPHAR/BPS Guide to Pharmacology CITE, 2019(4). doi: 10.2218/gtopdb/F38/2019.4.