00621naa#a2200205#i#450# EN\\bibl\45549 20240505065040.7 2077-7566 20210812b2021####ek#y0engy0150####ca RUS RU HEMATOSALIVAL BARRIER IN CLINICAL PRACTICE Journal article Ekaterinburg TIRAZH Publishing House 2021 5 с. Journal article local Медицина. Охрана здоровья. 61 RUS Chuykin Oleg Sergeevich Shtanko Maria I. Kuchuk Kristina Nikolaevna dental-press.ru