Percentage (mean ± SD) of blood vessels immunostaining for P-selectin and ICAM in the submucosa of bronchial biopsies obtained 1.5, 6 and 18 hours after the end of a 2 hour exposure to air and 0.2 ppm ozone.

Abstract

<p>Comparison of the extent of immunoreactivity was performed using a Students paired t-test.</p