TY JOUR TI Sanitary-hygienic evaluation of the lesson of physical culture in the educational institutions of North Ossetia-Alania KW physical culture KW comprehensive institution KW children and adolescents KW time-keeping KW pulsometric study KW motor density. JO Vladikavkaz Medico-Biological Bulletin AU Tarasova, T.. AU Tuaeva, I.. AU Nanieva, A.. PY 2016 IS 21 PB Institute of Biomedical Investigations of Vladikavkaz Scientific Center of the Russian Academy of Sciences