== References ==
* ''Horehound. Review of Natural Products. factsandcomparisons4.0 [online]. 2005. Available from Wolters Kluwer Health, Inc. Accessed April 17, 2007.''* ''Zarai Zeid; et al. (2011). "The in-vitro evaluation of antibacterial, antifungal and cytotoxic properties of Marrubium vulgare L. essential oil grown in Tunisia". Lipids in Health and Disease. 10: 161. doi:10.1186/1476-511X-10-161. PMC 3196909Freely accessible. PMID 21936887.''* ''N. Mnonopi; R.-A. Levendal; N. Mzilikazi; C. L. Frost (2012). "Marrubiin, a constituent of Leonotis leonurus, alleviates diabetic symptoms". Phytomedicine. 19 (6): 488–493. doi:10.1016/j.phymed.2011.12.008. PMID 22326550.''
[[Category:Treatments]]
[[Category:herbal medicine]]