Al-Badr, Rafid J., and Hussain F. Al-Huwaizi. 2017. “Effect of Tea Tree, Thymus Vulgaris and Nigella Sativa Oils on The Elimination of Enterococcus Faecalis (In Vitro Study)”. Journal of Baghdad College of Dentistry 29 (1): 55-62. https://doi.org/10.12816/0038623.