title: The influence of airways smooth muscle tone upon the response to inhaled PGE2.
mesh_terms: D000328:Adult; D000403:Airway Resistance / Q000187:drug effects*; D001980:Bronchi / Q000187:drug effects / Q000502:physiology*; D015232:Dinoprostone; D005260:Female; D006801:Humans; D009241:Ipratropium / Q000494:pharmacology; D008297:Male; D016210:Methacholine Chloride; D008688:Methacholine Compounds / Q000494:pharmacology; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000502:physiology; D011458:Prostaglandins E / Q000494:pharmacology*
chemical_list: D008688:Methacholine Compounds; D011458:Prostaglandins E; D016210:Methacholine Chloride; D009241:Ipratropium; D015232:Dinoprostone