title: [Seasonal fluctuations in the level of active biological substances in the blood of apparently healthy persons].
mesh_terms: D000109:Acetylcholine / Q000097:blood*; D000293:Adolescent; D000328:Adult; D002802:Cholinesterases / Q000097:blood*; D004837:Epinephrine; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012621:Seasons; D013566:Sympathomimetics / Q000097:blood*
chemical_list: D013566:Sympathomimetics; D002802:Cholinesterases; D000109:Acetylcholine; D004837:Epinephrine
vernacular_title: O sezonnykh kolebaniiakh soderzhaniia aktivnykh veshchestv v krovi prakticheski zdorovykh liudeĭ.