House-dust mite allergen and ozone exposure decreases histamine H3 receptors in the brainstem respiratory nuclei
Keywords: CNS; central nervous system; FA; filtered air; GFAP; glial fibrillary acidic protein; H3R-ir; H3 receptor immunoreactivity; HDMA; house-dust mite allergen; NeuN; nuclear protein; NGS; normal goat serum; NTS; nucleus tractus solitarius; PBS; phosphate buff