Varnäs K, Halldin C, Pike VW, Hall H (August 2003). «Distribution of 5-HT4 receptors in the postmortem human brain--an autoradiographic study using [125I]SB 207710». European Neuropsychopharmacology13 (4): 228-34. PMID12888181. doi:10.1016/S0924-977X(03)00009-9.
Kornum BR, Lind NM, Gillings N, Marner L, Andersen F, Knudsen GM (January 2009). «Evaluation of the novel 5-HT4 receptor PET ligand [11C]SB207145 in the Göttingen minipig». Journal of Cerebral Blood Flow and Metabolism29 (1): 186-96. PMID18797470. doi:10.1038/jcbfm.2008.110.
Godínez-Chaparro B, Barragán-Iglesias P, Castañeda-Corral G, Rocha-González HI, Granados-Soto V (March 2011). «Role of peripheral 5-HT(4), 5-HT(6), and 5-HT(7) receptors in development and maintenance of secondary mechanical allodynia and hyperalgesia». Pain152 (3): 687-97. PMID21239110. doi:10.1016/j.pain.2010.12.020.
Simmen U, Kelber O, Okpanyi SN, Jaeggi R, Bueter B, Weiser D (2006). «Binding of STW 5 (Iberogast) and its components to intestinal 5-HT, muscarinic M3, and opioid receptors». Phytomedicine. 13 Suppl 5: 51-5. PMID16973340. doi:10.1016/j.phymed.2006.03.012.
Varnäs K, Halldin C, Pike VW, Hall H (August 2003). «Distribution of 5-HT4 receptors in the postmortem human brain--an autoradiographic study using [125I]SB 207710». European Neuropsychopharmacology13 (4): 228-34. PMID12888181. doi:10.1016/S0924-977X(03)00009-9.
Kornum BR, Lind NM, Gillings N, Marner L, Andersen F, Knudsen GM (January 2009). «Evaluation of the novel 5-HT4 receptor PET ligand [11C]SB207145 in the Göttingen minipig». Journal of Cerebral Blood Flow and Metabolism29 (1): 186-96. PMID18797470. doi:10.1038/jcbfm.2008.110.
Godínez-Chaparro B, Barragán-Iglesias P, Castañeda-Corral G, Rocha-González HI, Granados-Soto V (March 2011). «Role of peripheral 5-HT(4), 5-HT(6), and 5-HT(7) receptors in development and maintenance of secondary mechanical allodynia and hyperalgesia». Pain152 (3): 687-97. PMID21239110. doi:10.1016/j.pain.2010.12.020.
Simmen U, Kelber O, Okpanyi SN, Jaeggi R, Bueter B, Weiser D (2006). «Binding of STW 5 (Iberogast) and its components to intestinal 5-HT, muscarinic M3, and opioid receptors». Phytomedicine. 13 Suppl 5: 51-5. PMID16973340. doi:10.1016/j.phymed.2006.03.012.