LDR 00690naa#a2200217#i#450# 001 EN\\bibl\44554 005 20241105014317.2 011 ## _a2409-3750 100 ## _a20210617b2021####ek#y0engy0150####ca 102 ## _aRU 200 1# _aCORONOVIRUS INFECTION COVID-19. MASKS (literature review) _eJournal article 210 1# _aTula _cLLC Information and publishing center Innovations and investments _d2021 215 ## _a8 с. 608 ## _aJournal article _2local 675 ## _aМедицина. Охрана здоровья. 61 _z 700 #1 _aKireev _gSemen Semenovich 700 #1 _aPopov _gI. A. 700 #1 _aBan'kovskiy _gA. A. 700 #1 _aLitvinenko _gE. S. 700 #1 _aSurova _gE. V. 856 4# _azh-szf.ru _u