title: Airway liquid: a barrier to drug diffusion?
authors.forename: J G
authors.initials: JG
authors.lastname: Widdicombe
mesh_terms: D000109:Acetylcholine / Q000493:pharmacokinetics* / Q000494:pharmacology; D000280:Administration, Inhalation; D000818:Animals; D001667:Binding, Competitive; D001826:Body Fluids / Q000378:metabolism*; D016084:Bronchoconstriction / Q000187:drug effects; D004058:Diffusion; D008962:Models, Theoretical; D009092:Mucous Membrane / Q000187:drug effects / Q000502:physiology; D010539:Permeability; D011650:Pulmonary Alveoli / Q000187:drug effects / Q000378:metabolism*; D051381:Rats; D012143:Respiratory Physiological Phenomena / Q000187:drug effects; D013045:Species Specificity; D013499:Surface Properties; D013501:Surface-Active Agents / Q000008:administration & dosage*
chemical_list: D013501:Surface-Active Agents; D000109:Acetylcholine