DescriptionStreptococcus pneumoniae-263.jpg English: Scanning Electron Micrograph of Streptococcus pneumoniae (Pneumococcus; Streptococci). Source http://phil...
DescriptionPneumokokken.jpg de:Pneumokokken available at CDC-PHIL http://phil.cdc.gov/phil/ Date Unknown date Source CDC-PHIL http://phil.cdc.gov/phil/ file id 263 Author...