title: [The dynamics of cardiac activity during isometric loads in athletes].
authors.forename: Z B
authors.initials: ZB
authors.lastname: Belotserkovskiĭ
authors.forename: B G
authors.initials: BG
authors.lastname: Liubina
authors.forename: E V
authors.initials: EV
authors.lastname: Bogdanova
authors.forename: Iu A
authors.initials: IuA
authors.lastname: Borisova
mesh_terms: D000293:Adolescent; D000328:Adult; D004452:Echocardiography; D004562:Electrocardiography; D015444:Exercise / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006439:Hemodynamics / Q000502:physiology; D006801:Humans; D010701:Phonocardiography; D013177:Sports / Q000502:physiology*; D013997:Time Factors