Ozone- and endotoxin-induced mucous cell metaplasias in rat airway epithelium: Novel animal models to study toxicant-induced epithelial transformation in airways
Ozone Exposure Enhances Endotoxin-Induced Mucous Cell Metaplasia in Rat Pulmonary Airways
Due to symbiotic N2 fixation, five years of elevated atmospheric pCO2 had no effect on the N concentration of plant litter in fertile, mixed grassland