Kazemi, Vida, et al. “Evaluation the Effect of Royal Jelly on the Growth of Two Members of Gut Microbiota; Bacteroides Fragillis and Bacteroides Thetaiotaomicron”. Journal of Contemporary Medical Sciences, vol. 5, no. 1, Feb. 2019, pp. 20-23, doi:10.22317/jcms.v5i1.518.