We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe ‘headache tree’ via umbellulone and TRPA1 activates the trigeminovascular systemAuthorsNassini, Romina; Materazzi, Serena; Vriens, Joris; Prenen, Jean; Benemei, Silvia; De Siena, Gaetano; la Marca, Giancarlo; Andrè, Eunice; Preti, Delia; Avonto, Cristina; Sadofsky, Laura; Di Marzo, Vincenzo; De Petrocellis, Luciano; Dussor, Greg; Porreca, Frank; Taglialatela-Scafati, Orazio; Appendino, Giovanni; Nilius, Bernd; Geppetti, PierangeloPublicationBrain, 2012, Vol 135, Issue 2, p376ISSN0006-8950Publication typearticleDOI10.1093/brain/awr272