title: [Effective normal of excessive pressure of oxygen under the mask at high altitudes].
mesh_terms: D000337:Aerospace Medicine; D000531:Altitude; D001359:Aviation; D008397:Masks; D010100:Oxygen
chemical_list: D010100:Oxygen
keywords: MEDICINE, AVIATION
vernacular_title: Effektivnaia norma izbytochnogo davleniia kisloroda pod maskoi na bol'shikh vysotakh.