K, Manimekalai, et al. “ANTI-BIOFILM EFFICACY OF PLECTRANTHUS AMBOINICUS AGAINST STREPTOCOCCUS PYOGENES ISOLATED FROM PHARYNGITIS PATIENTS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 9, no. 4, July 2016, pp. 348-54, https://www.journals.innovareacademics.in/index.php/ajpcr/article/view/12337.