Figure 1.

Fluorescent antibody staining (10 μm sections) of Cytokeratin 8 & 18 (white) allows visualization of the tonsillar crypt epithelium. Representative images of tonsils removed due to ATH (left) or recurrent GAS infection (right) are shown at 4 × magnification.

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