title: [Photo dependent changes in the endocrine system activity in teenagers from different European North latitudes].
abstract: The comprehensive study was concerned with the within year dynamics of hormonal profile in two groups of teenagers (13-16 y.o.) resident in different latitudes and climate-ecological conditions of the European North of Russia (on the border of pre-polar and medium altitude regions).
authors.forename: D B
authors.initials: DB
authors.lastname: Demin
authors.forename: L V
authors.initials: LV
authors.lastname: Poskotinova
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000293:Adolescent; D000531:Altitude; D003081:Cold Climate; D004703:Endocrine System / Q000502:physiology*; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D007328:Insulin / Q000097:blood; D008297:Male; D011863:Radioimmunoassay; D012426:Russia; D012621:Seasons; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
chemical_list: D007328:Insulin; D014284:Triiodothyronine; D013974:Thyroxine; D006854:Hydrocortisone