title: Human tolerance to He, Ne, and N2 at respiratory gas densities equivalent to He-O2 breathing at depths to 1200, 2000, 3000, 4000, and 5000 feet of sea water (predictive studies III).
mesh_terms: D000222:Adaptation, Physiological; D000223:Adaptation, Psychological; D001274:Atmospheric Pressure; D003664:Decompression; D004242:Diving; D004305:Dose-Response Relationship, Drug; D004781:Environmental Exposure; D006371:Helium; D006801:Humans; D008297:Male; D009326:Naval Medicine; D009356:Neon / Q000506:poisoning; D009420:Nervous System / Q000187:drug effects; D009584:Nitrogen / Q000506:poisoning; D010313:Partial Pressure; D005082:Physical Exertion; D012119:Respiration / Q000187:drug effects; D012871:Skin Diseases / Q000139:chemically induced; D013647:Task Performance and Analysis; D014722:Vestibule, Labyrinth / Q000187:drug effects
chemical_list: D006371:Helium; D009356:Neon; D009584:Nitrogen