Moza Khalaf Mohammed Al-Matroushi., Dr. AR.Mullaicharam*,. 2012. “Comparative in Vitro Tests on the Efficacy of Anti-Head-Lice Products Containing Stem Extract of Pyrethrum.”. Journal of Biomedical and Pharmaceutical Research 1 (3). http://jbpr.in/index.php/jbpr/article/view/480.