The 'headache tree' via umbellulone and TRPA1 activates the trigeminovascular system.

MLA

Nassini R, et al. “The ‘Headache Tree’ via Umbellulone and TRPA1 Activates the Trigeminovascular System.” Brain: A Journal of Neurology, vol. 135, no. 2, Feb. 2012, pp. 376–90. EBSCOhost, https://doi.org/10.1093/brain/awr272.

APA

Nassini R, Materazzi S, Vriens J, Prenen J, Benemei S, De Siena G, la Marca G, Andrè E, Preti D, Avonto C, Sadofsky L, Di Marzo V, De Petrocellis L, Dussor G, Porreca F, Taglialatela-Scafati O, Appendino G, Nilius B, Geppetti P, & Nassini, R. (2012). The “headache tree” via umbellulone and TRPA1 activates the trigeminovascular system. Brain: A Journal of Neurology, 135(2), 376–390. https://doi.org/10.1093/brain/awr272

Chicago

Nassini R, Materazzi S, Vriens J, Prenen J, Benemei S, De Siena G, la Marca G, et al. 2012. “The ‘Headache Tree’ via Umbellulone and TRPA1 Activates the Trigeminovascular System.” Brain: A Journal of Neurology 135 (2): 376–90. doi:10.1093/brain/awr272.