TY JOUR TI HYGIENIC EDUCATION OF SCHOOLCHILDREN AS A MEANS OF PREVENTING THE ADVERSE EFFECTS OF OUT-OF-SCHOOL FACTORS KW schoolchildren KW out-of-school factors KW educational environment factors KW hygiene education KW healthy lifestyles JO CASPIANJOURNALOF MEDICINE AND PHARMACY AU Devrishov, R.D. AU Skoblina, N.A. AU Khorosheva, I.V. AU Kudryasheva, I.. AU Selina, E.G. AU Metelkina, E.V. AU Kuzmina, V.V. AU Barskova, N.A. PY 2023 IS 4 PB Astrakhan State Medical University