TY JOUR TI CONTRIBUTION OF PSYCHOEMOTIONAL STRESS TO THE DEVELOPMENT OF ADAPTATIONAL FAILURE IN THE COMPETITIVE PERIOD OF QUALIFIED ATHLETES KW situational anxiety KW adaptation failure KW sport JO Acta biomedica scientifica AU Bazarin, K.P. AU Savchenko, A.A. PY 2016 IS 1 PB Scientific Center for Family Problems and Human Reproduction