Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Commiskey Stephen and Fan Lir-Wan and Ho Ing K. and Rockhold Rob W.,Butorphanol: Effects of a Prototypical Agonist-Antagonist Analgesic on .KAPPA.-Opioid Receptors,Journal of Pharmacological Sciences,13478613,The Japanese Pharmacological Society,2005,98,2,109-116,https://cir.nii.ac.jp/crid/1390282680152514816,https://doi.org/10.1254/jphs.crj05001x