Figure 5From: Differences in susceptibility to German cockroach frass and its associated proteases in induced allergic inflammation in miceHistological assessment of lung sections from Balb/c mice exposed to GC frass or protease-depleted GC frass. Periodic Acid Schiff (PAS) staining of sectioned lungs from GC frass (A) and aprotinin-treated GC frass (D) treated Balb/c mice. Representative slides are shown of sections from 8 mice per group.Back to article page