TY - J Integr Plant Biol A1 - ZHEN Yue Ying, HUANG Xue Shi, YU De Quan, YU Shi Shan T1 - Antitumor Alkaloids Isolated from Tylophora ovata Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - 349 EP - 353 VL - 44 IS - 3 UR - https://www.jipb.net N1 - ER -