Speech intelligibility as a function of ambient pressure and Heo 2  atmosphere.
D001273:Atmosphere Exposure Chambers; D001274:Atmospheric Pressure; D004242:Diving; D006371:Helium; D006801:Humans; D009584:Nitrogen; D010100:Oxygen; D013060:Speech
D006371:Helium; D009584:Nitrogen; D010100:Oxygen