title: [Adaptation of cardiac activity and status of gas exchange in athletes to physical load].
authors.forename: Iu S
authors.initials: IuS
authors.lastname: Vaniushin
authors.forename: F G
authors.initials: FG
authors.lastname: Sitdikov
mesh_terms: D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D001784:Blood Gas Analysis; D006801:Humans; D008297:Male; D005082:Physical Exertion / Q000502:physiology*; D013177:Sports / Q000502:physiology*