title: A preliminary report on experimental studies of continuous positive-pressure ventilation (CPPV) and high-frequency positive-pressure ventilation (HFPPV).
mesh_terms: D000777:Anesthetics; D000818:Animals; D004285:Dogs; D005260:Female; D008297:Male; D010424:Pentobarbital; D011175:Positive-Pressure Respiration / Q000295:instrumentation / Q000379:methods*; D013990:Tidal Volume
chemical_list: D000777:Anesthetics; D010424:Pentobarbital