title: Mechanical aids to lung expansion. The physiologic basis for the use of mechanical aids to lung expansion.
mesh_terms: D006801:Humans; D007384:Intermittent Positive-Pressure Breathing; D008176:Lung Volume Measurements; D001261:Pulmonary Atelectasis / Q000628:therapy*; D012138:Respiratory Therapy / Q000379:methods*; D013147:Spirometry