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Francken BJ, Jurzak M, Vanhauwe JF, Luyten WH, Leysen JE (November 1998). „The human 5-ht5A receptor couples to Gi/Go proteins and inhibits adenylate cyclase in HEK 293 cells”. Eur. J. Pharmacol.361 (2-3): 299–309. DOI:10.1016/S0014-2999(98)00744-4. PMID9865521.
Dietz BM, Mahady GB, Pauli GF, Farnsworth NR (August 2005). „Valerian extract and valerenic acid are partial agonists of the 5-HT5a receptor in vitro”. Brain Res. Mol. Brain Res.138 (2): 191–7. DOI:10.1016/j.molbrainres.2005.04.009. PMID15921820.
Rees S, den Daas I, Foord S, Goodson S, Bull D, Kilpatrick G, Lee M (December 1994). „Cloning and characterisation of the human 5-HT5A serotonin receptor”. FEBS Lett.355 (3): 242–6. DOI:10.1016/0014-5793(94)01209-1. PMID7988681.
Francken BJ, Jurzak M, Vanhauwe JF, Luyten WH, Leysen JE (November 1998). „The human 5-ht5A receptor couples to Gi/Go proteins and inhibits adenylate cyclase in HEK 293 cells”. Eur. J. Pharmacol.361 (2-3): 299–309. DOI:10.1016/S0014-2999(98)00744-4. PMID9865521.
Dietz BM, Mahady GB, Pauli GF, Farnsworth NR (August 2005). „Valerian extract and valerenic acid are partial agonists of the 5-HT5a receptor in vitro”. Brain Res. Mol. Brain Res.138 (2): 191–7. DOI:10.1016/j.molbrainres.2005.04.009. PMID15921820.