Human respiration under increased pressures.
D000328:Adult; D004058:Diffusion; D004242:Diving; D006371:Helium; D006801:Humans; D006859:Hydrogen; D006935:Hypercapnia; D007040:Hypoventilation; D007222:Inert Gas Narcosis; D009584:Nitrogen; D010100:Oxygen; D011312:Pressure; D012119:Respiration; D013046:Specific Gravity
D006371:Helium; D006859:Hydrogen; D009584:Nitrogen; D010100:Oxygen