Figure 4

Nasal lavage fluid—total cells (A), macrophages (B), neutrophils (C), ciliated cells (D) and goblet cells (E). +P < 0.05 compared to CA + DRY group. ++P < 0.05 compared to CA + HUMID group.

Nasal lavage fluid—total cells (A), macrophages (B), neutrophils (C), ciliated cells (D) and goblet cells (E). +P < 0.05 compared to CA + DRY group. ++P < 0.05 compared to CA + HUMID group.