@inproceedings{MachumiYenesewMidiwoetal.2012,
  author    = {F. Machumi and Abiy Yenesew and J. O. Midiwo and Matthias Heydenreich and Erich Kleinpeter and S. Khan and B. L. Tekwani and L. A. Walker and I Muhammad},
  title     = {Antiparasitic and anticancer carvotacetone derivatives from Sphaeranthus bullatus},
  booktitle = {Planta medica : journal of medicinal plant and natural product research},
  volume    = {78},
  number    = {11},
  pages     = {1201 -- 1202},
  year      = {2012},
}