RT Journal Article SR Electronic T1 Species differences in blood-brain barrier transport of three PET radioligands with emphasis on P-glycoprotein transport JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/dmd.108.024745 A1 Stina Syvanen A1 Orjan Lindhe A1 Mikael Palner A1 Birgitte R Kornum A1 Obaidur Rahman A1 Bengt Langstrom A1 Gitte M Knudsen A1 Margareta Hammarlund-Udenaes YR 2008 UL http://dmd.aspetjournals.org/content/early/2008/12/01/dmd.108.024745.abstract AB