K. Younis, Shaymaa, and Faraed D. Salman. “Efficacy of German Chamomile Mouthrinse on Plaque, Gingivitis, Periodontal Pockets and Calculus in Man”. Tikrit Journal of Pharmaceutical Sciences, vol. 4, no. 2, Apr. 2023, pp. 174-83, doi:10.25130/tjphs.2008.2.11.174.183.