"Bullish Chemical Could Repel Yellow Fever Mosquitoes." ScienceDaily. ScienceDaily, 24 September 2004. <www.sciencedaily.com / releases / 2004 / 09 / 040923091419.htm>.

BLOOMINGTON, Ind. -- A naturally occurring chemical that may repel yellow fever mosquitoes can now be made in the laboratory, Indiana University Bloomington scientists report. "The synthesis ...