title: Simulated multiday underwater habitation in hyperbaric helium-oxygen environment.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D001831:Body Temperature; D001835:Body Weight; D018504:Ecological Systems, Closed; D004487:Edema / Q000209:etiology; D005080:Exercise Test; D005221:Fatigue; D006339:Heart Rate; D006371:Helium; D006801:Humans; D006931:Hyperbaric Oxygenation / Q000009:adverse effects; D007564:Japan; D008297:Male; D010313:Partial Pressure; D010808:Physical Examination; D012021:Reflex, Abnormal / Q000209:etiology; D012119:Respiration; D012881:Skin Temperature; D012885:Skinfold Thickness; D013147:Spirometry; D013366:Submarine Medicine
chemical_list: D006371:Helium