N., Y. W., O., S. H., Y., A. V., L., D. D., & A., T. (2019). Determination of Biofilm Formation between Different Strains of Propionibacterium acnes Using Biofilm Assay. International Journal of Innovative Research in Medical Science, 4(02), 108 to 113. https://doi.org/10.23958/ijirms/vol04-i02/554