title: Preliminary experience with a circuit to increase the airways pressure in adults breathing spontaneously.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing / Q000379:methods; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011175:Positive-Pressure Respiration / Q000295:instrumentation*; D013147:Spirometry
chemical_list: D010100:Oxygen