Vasorelaxant Effect on Isolated Rabbit Aortic Rings and Chemical Constituents of n-Butanol Fraction from Leaves of Magnolia officinalis Rehd et Wils.
YANG Zhu-ya, WEI Ying-fang, ZHOU Zhi-hong, LONG Fei
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2012, (3): 298 -302 .  DOI: A