title: Is diaphragmatic contractility important?
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology; D000628:Aminophylline / Q000494:pharmacology; D003964:Diaphragm / Q000187:drug effects / Q000502:physiology*; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects; D012119:Respiration
chemical_list: D000628:Aminophylline