Known as: Helium 800 mL in 1 L / Oxygen 200 min in 1 L RESPIRATORY (INHALATION) GAS, Helium 800 mL in 1 L / Oxygen 200 mL in 1 L RESPIRATORY (INHALATION) GAS, HELIUM 800 mL in 1 L / OXYGEN 200 mL in 1 L RESPIRATORY (INHALATION) GAS [Helium Oxygen Mixture]