Thoppil, J. E., J. Minija, A. Tajo, and M. J. Deena. “Antimicrobial Activity of <I>Teucrium plectranthoides</I> Gamble Essential Oil”. Journal of Natural Remedies, vol. 1, no. 2, July 2001, pp. 155-7, doi:10.18311/jnr/2001/30.