Smith, J A Alteration in the modulatory role of respiratory epithelium after exposure of guinea pigs to respirable cotton dust. [electronic resource] - The Journal of pharmacology and experimental therapeutics Feb 1993 - 683-8 p. digital Publication Type: Journal Article ISSN: 0022-3565 Subjects--Topical Terms: Administration, InhalationAnimalsByssinosis--etiologyDust--adverse effectsEpithelium--drug effectsGossypium--adverse effectsGuinea PigsMaleMethacholine Chloride--pharmacologyTrachea--drug effects