[Symposium on asthma. Effect of air pollution upon bronchial asthma].
D000109:Acetylcholine; D000397:Air Pollution; D000818:Animals; D000906:Antibodies; D000941:Antigens; D001249:Asthma / Q000209:etiology*; D001980:Bronchi / Q000187:drug effects; D002417:Cattle; D006168:Guinea Pigs; D006801:Humans; D013456:Sulfur Acids / Q000494:pharmacology
D000906:Antibodies; D000941:Antigens; D013456:Sulfur Acids; D000109:Acetylcholine