Authors: Sophie Bensing; Sergueï O Fetissov; Jan Mulder; Jaakko Perheentupa; Jan Gustafsson; Eystein S Husebye; Mikael Oscarson; Olov Ekwall; Patricia A Crock; Tomas Hökfelt; Anna-Lena Hulting; Olle Kämpe Journal: Proc Natl Acad Sci U S A Date: 2007-01-10 Impact factor: 11.205