TY - J Integr Plant Biol A1 - Liu Ji-kai and Zuo Chun-Xu T1 - Studies on the Chemical Constituents of Pyrus Communis Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - EP - VL - 29 IS - 1 UR - https://www.jipb.net N1 - ER -