00627naa#a2200205#i#450# EN\\bibl\112791 20260117145006.6 2311-1402 20170325b2017####ek#y0engy0150####ca RUS RU VARIATIONS IN BIOCHEMICAL COMPOSITION OF HUMAN SALIVA DEPENDING ON THE REGION OF ACCOMMODATION Journal article Nizhnevartovsk Nizhnevartovsk State University 2017 7 с. Journal article local . 612.313.1, 612.313.6 RUS Belskaya L V Grigoriev A I Shalygin S P vestnik.nvsu.ru