User ntoff uploaded this USMLE Step 3 - Streptococcus Pneumoniae Viridans Streptococci Streptococcus Anginosus Group A Streptococcus PNG PNG image on November 20, 2022, 12:37 pm. The resolution of this file is 843x439px and its file size is: 542.72 KB. This PNG image is filed under the tags: