Epithelial cells:PrThr:Pt:Bronchial:Ord:Microscopy.light
epithelial cells:prthr:pt:bronchial:ord:microscopy.light
Epithelial cells:PrThr:Pt:Bronchial:Ord:Microscopy.light
epithelial cells:prthr:pt:bronchial:ord:microscopy.light