title: [Mechanisms of cardiac activity regulation at various stages of long-term adaptation to physical exercise].
authors.forename: G S
authors.initials: GS
authors.lastname: Kozupitsa
authors.forename: V A
authors.initials: VA
authors.lastname: Kel'tsev
mesh_terms: D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity; D002306:Cardiac Volume; D015444:Exercise / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D009200:Myocardial Contraction; D013997:Time Factors
vernacular_title: Mekhanizmy reguliatsii serdechnoĭ deiatel'nosti na raznykh étapakh dolgovremennoĭ adaptatsii k fizicheskim nagruzkam.