Role of complement C5a in mechanical inflammatory hypernociception: potential use of C5a receptor antagonists to control inflammatory pain - Ting, E.; Guerrero, A. T. G.; Cunha, T. M.; Verri Júnior, Waldiceu Aparecido; Taylor, S. M.; Woodruff, T. M.; Cunha, Fernando de Queiroz; Ferreira, Sérgio Henrique (British Journal of Pharmacology, 2008)