title: [Seasonal changes in heart rate variability in 11 to 13-year-old girls].
authors.forename: I G
authors.initials: IG
authors.lastname: Kaĭsina
authors.forename: E N
authors.initials: EN
authors.lastname: Sizova
authors.forename: V I
authors.initials: VI
authors.lastname: Tsirkin
authors.forename: S I
authors.initials: SI
authors.lastname: Trukhina
mesh_terms: D000222:Adaptation, Physiological; D000293:Adolescent; D002648:Child; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D012621:Seasons