TY  - JOUR 
T1  - HPLC method for the simultaneous determination of four compounds in rat plasma after intravenous administration of Portulaca oleracea L. extract
JO  - Brazilian Journal of Pharmaceutical Sciences
A1  - Cheng, Zhongzhe
A1  - Xie, Ming
A1  - Zhang, Wenjie
A1  - Cheng, Lan
A1  - Du, Yang
A1  - Wang, Yunjiao
A1  - Ying, Xixiang
A1  - Kang, Tingguo
SN  - 1984-8250
UL  - 10.1590/S1984-82502012000100018
VL  - 48 
Y1  - 2012
PB  - Brasil 
ER  -