21-Methylmelianodiols from Poncirus trifoliata as Inhibitors of Interleukin-5 Bioactivity in Pro-B Cells - Lee, In Jeong; Xu, Guang-Hua; Ju, Jung-Hun; Kim, Jeong Ah; Kwon, Soon-Woo; Lee, Seung Ho; Han, Sang-Bae; Kim, Youngsoo (Planta Medica, 2008)