Figure 2.

Fluorescent antibody staining of GAS (red) within the crypts (green) of pediatric tonsils removed due to recurrent GAS tonsillopharyngitis. (A) GAS within in vivo biofilm from a chinchilla. (B and C) GAS within the tonsillar crypts.

Roberts et al. BMC Pediatrics 2012 12:3   doi:10.1186/1471-2431-12-3
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