@article{article2433858c,
title   = {Pimarane diterpene from Viguiera arenaria (Asteraceae) inhibit rat carotid contraction},
author = {Ambrósio, Sérgio Ricardo and Tirapelli, Carlos Renato and Bonaventura, Daniella and De Oliveira, Ana Maria and Da Costa, Fernando Batista},
year = {2002},
journal   = {Fitoterapia}
}