[Betulinic acid ameliorates impairment of endothelium-dependent relaxation induced by oxidative stress in rat aorta].
Fu
Jia-Yin
JY
Department of Physiology, College of Medicine, Zhejiang University, Hangzhou 310058, China.
Xia
Man-Li
ML
Lu
Jian-Feng
JF
Liu
Qi
Q
Cai
Xin
X
Yang
Jie
J
Wang
Hui-Ping
HP
Xia
Qiang
Q