Authors: C Wahlestedt; P Salmi; L Good; J Kela; T Johnsson; T Hökfelt; C Broberger; F Porreca; J Lai; K Ren; M Ossipov; A Koshkin; N Jakobsen; J Skouv; H Oerum; M H Jacobsen; J Wengel Journal: Proc Natl Acad Sci U S A Date: 2000-05-09 Impact factor: 11.205