Chemical neuroanatomical and psychopharmacological evidence that k receptor-mediated endogenous opioid peptide neurotransmission in the dorsal and ventral mesencephalon modulates panic-like behaviour - Silva, Juliana Almeida da; Freitas, Renato Leonardo de; Eichenberger, Gustavo Cavalcanti Dutra; Padovan, Claudia Maria; Coimbra, Norberto Cysne (European Journal of Pharmacology, 2013)