Tavafi, Hadis, et al. “In Vitro Effectiveness of Antimicrobial Properties of Propolis and Chlorhexidine on Oral Pathogens: A Comparative Study: Effectiveness of Antimicrobial Properties of Propolis and Chlorhexidine on Oral Pathogens”. Biosis: Biological Systems, vol. 1, no. 3, Oct. 2020, pp. 116-25, doi:10.37819/biosis.001.03.0062.