00606naa#a2200169#i#450# EN\\bibl\123143 20260609015536.2 2686-9896 20260515b2026####ek#y0engy0150####ca RU PRESENTEEISM AND MORBIDITY OF HEALTHCARE WORKERS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2026 1 с. Journal article local Гигиена. Личная гигиена. 613 D'yakovich Marina Pinhasovna angtu.editorum.ru