Fig. 7From: Clinical validation of controlled exposure to house dust mite in the environmental exposure unit (EEU)Peak Nasal Inspiratory Flow (PNIF). PNIF values were collected at each timepoint using a PNIF meter. HDM-allergic participants experienced significantly decreased PNIF values at hours 2 (p < 0.05) and 3 (p < 0.01) compared to non-allergic participants. * = p < 0.05Back to article page