@article{article71436aa9,
title   = {Studies of ent-kaurane diterpenes from Ouedaea verbesinoides for their inhibitory activity on vascular smooth muscle contraction},
author = {Muller, Stefan and Tirapelli, Carlos R. and Oliveira, Ana Maria de and Murillo, Renato and Castro, Victor and Merfort, Irmgard},
year = {2003},
doi = {10.1016/s0031-9422(03)00073-6},
journal   = {Phytochemistry}
}