title: Editorial: Small particles in small airways.
mesh_terms: D000397:Air Pollution; D000402:Airway Obstruction / Q000150:complications; D000403:Airway Resistance; D001195:Asbestosis / Q000175:diagnosis; D001980:Bronchi / Q000502:physiology; D002095:Byssinosis / Q000175:diagnosis; D006801:Humans; D008722:Methods; D009787:Occupational Medicine; D010316:Particle Size; D011009:Pneumoconiosis / Q000175:diagnosis / Q000209:etiology; D011650:Pulmonary Alveoli / Q000502:physiology; D012119:Respiration; D012129:Respiratory Function Tests