@article{articled9bf0eb9, title = {Inhibitory action of kaurenoic acid from Viguiera robusta (Asteraceae) on phenylephrine-induced rat carotid contraction}, author = {Tirapelli, Carlos Renato and Ambrosio, Sergio R. and Costa, Fernando Batista da and Oliveira, Ana Maria de}, year = {2002}, doi = {10.1016/s0367-326x(01)00365-3}, journal = {Fitoterapia} }