Fig. 2From: The clinical features of respiratory infections caused by the Streptococcus anginosus groupThe differences in the detection rates of the three bacterial species in the pneumonia and lung abscess patients with pleural effusion (n = 16) and those with bacterial pleurisy only (n = 3). a Streptococcus intermedius, b Streptococcus constellatus, c Streptococcus anginosus Back to article page