title: [Effect of natural lighting conditions on the biorhythms of polar researchers].
mesh_terms: D015062:11-Hydroxycorticosteroids / Q000032:analysis; D015068:17-Ketosteroids / Q000652:urine; D000328:Adult; D000864:Antarctic Regions; D001833:Body Temperature Regulation; D002940:Circadian Rhythm / Q000528:radiation effects*; D003081:Cold Climate; D006439:Hemodynamics; D006801:Humans; D008297:Male; D012463:Saliva / Q000032:analysis; D012621:Seasons; D013472:Sunlight; D014586:USSR
chemical_list: D015062:11-Hydroxycorticosteroids; D015068:17-Ketosteroids
vernacular_title: Vliianie estestvennogo svetovogo rezhima na bioritmy u poliarnikov.