Positron emission tomography imaging using an inverse agonist radioligand to assess cannabinoid CB1 receptors in rodents. - Garth E. Terry; Jeih-San Liow; Eyassu Chernet; Sami S. Zoghbi; Lee Phebus; Christian C. Felder; Johannes T. Tauscher; John M. Schaus; Victor W. Pike; Christer Halldin; Robert B. Innis (NeuroImage, 2008)