^McKune CM, Watts SW. Characterization of the serotonin receptor mediating contraction in the mouse thoracic aorta and signal pathway coupling. The Journal of Pharmacology and Experimental Therapeutics. April 2001,297 (1): 88–95.PMID 11259531.
^Janssen P, Tack J, Sifrim D, Meulemans AL, Lefebvre RA. Influence of 5-HT1 receptor agonists on feline stomach relaxation. European Journal of Pharmacology. May 2004,492 (2–3): 259–67.PMID 15178373.doi:10.1016/j.ejphar.2004.03.054.