TY  - JOUR 
T1  - Ursane Saponins from the Stems of <i>Firmiana simplex</i> and their Cytotoxic Activity
JO  - Journal of the Brazilian Chemical Society
A1  - Woo, Kyeong Wan
A1  - Choi, Sang Un
A1  - Kim, Ki Hyun
A1  - Lee, Kang Ro
SN  - 0103-5053
UL  - 10.5935/0103-5053.20150113
VL  - 26 
Y1  - 2015
PB  - Brasil 
ER  -