... Villalobos 1 ,; Pablo R Moya 1 ,; Patricio Sáez 3 ,; Bruce K Cassels 2 and; J Pablo Huidobro ... British Journal of Pharmacology (2002) 136, 510–519; doi:10.1038/sj.bjp.0704747. ... Two antagonists with different relative selectivities were used to assess the pharmacology of the 5-HT ...