00769naa#a2200241#i#450# EN\\bibl\64486 20241121233417.4 2712-8164 20230503b2023####ek#y0engy0150####ca RU HYGIENIC EDUCATION OF SCHOOLCHILDREN AS A MEANS OF PREVENTING THE ADVERSE EFFECTS OF OUT-OF-SCHOOL FACTORS Journal article Astrakhan Astrakhan State Medical University 2023 7 с. Journal article local Devrishov Ruslan D. Skoblina Natalya A. Khorosheva Irina V. Kudryasheva Irina A Selina Elena G. Metelkina Elena V. Kuzmina Victoria V. Barskova Natalia A. kaspmed.ru