title: Experimental and clinical problems of effects of photochemical pollutants.
mesh_terms: D000818:Animals; D004782:Environmental Health; D006801:Humans; D008168:Lung / Q000187:drug effects*; D008452:Maximum Allowable Concentration; D010126:Ozone / Q000009:adverse effects*; D010777:Photochemistry; D051381:Rats; D001335:Vehicle Emissions / Q000009:adverse effects*
chemical_list: D001335:Vehicle Emissions; D010126:Ozone