P.804A single dose of psilocybin increases synaptic density and decreases 5-HT2A receptor density in the pig brain - Nakul Ravi Raval; Annette Johansen; Lene Lundgaard Donovan; Nelson Ros; Brice Ozenne; Hanne D. Hansen; Gitte M. Knudsen (European Neuropsychopharmacology, 2020)