title: An appraisal of intermittent pressure breathing as a method of increasing altitude tolerance.
mesh_terms: D000337:Aerospace Medicine; D000399:Air Pressure; D000531:Altitude; D001359:Aviation / Q000009:adverse effects* / Q000473:pathology* / Q000502:physiology*; D011312:Pressure; D012121:Respiration, Artificial
keywords: AIR/pressure; AVIATION AND AVIATORS/physiologic and pathologic effects; RESPIRATION/artificial