title: Noisy breathing.
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis*; D000403:Airway Resistance; D001249:Asthma / Q000503:physiopathology; D001314:Auscultation; D001991:Bronchitis / Q000503:physiopathology; D006371:Helium / Q000494:pharmacology; D006801:Humans; D008168:Lung / Q000502:physiology*; D009622:Noise; D009991:Oscillometry; D005082:Physical Exertion; D012123:Pulmonary Ventilation; D012119:Respiration / Q000187:drug effects
chemical_list: D006371:Helium