23,24-Dihydrocucurbitacin D inhibits nitric oxide generation from murine macrophages by blocking nuclear factor-κB activation - Park,C.S.; Lim,K.J.; Baek,S.H.; Sohn,H.O.; Lee,D.W.; Yun,H.Y.; Baek,K.J.; Lee,H.S.; Kwon,N.S. (FASEB J, 2001)