title: Dynamics of circadian rhythms during exposure to a modified atmosphere and hypokinesia.
mesh_terms: D001274:Atmospheric Pressure; D001831:Body Temperature; D002940:Circadian Rhythm; D006801:Humans; D009068:Movement; D011674:Pulse; D012463:Saliva / Q000032:analysis; D012964:Sodium / Q000032:analysis; D013997:Time Factors
chemical_list: D012964:Sodium