title: [Method of preparing an oxygen-nitrogen gas mixture for breathing in an altitude chamber].
mesh_terms: D001273:Atmosphere Exposure Chambers; D008722:Methods; D009584:Nitrogen; D010100:Oxygen
chemical_list: D009584:Nitrogen; D010100:Oxygen
vernacular_title: Metodika prigotovleniia kislorodno-azotnoĭ gazovoĭ smesi dlia dykhaniia v barokamere.