TY BOOK TI CHILDREN WITH EXTREMELY LOW BODY WEIGHT: CLINICAL CHARACTERISTICS, FUNCTIONAL STATE OF THE IMMUNE SYSTEM, PATHOGENETIC MECHANISMS OF THE FORMATION OF NEONATAL PATHOLOGY KW Children KW extremely low body mass KW neonatal pathology KW immune system KW weight KW immunity KW postnatal pathology KW newborns AU Chistyakova, G.N. AU Ustyantseva, L.S. AU Remizova, I.I. AU Ryumin, V.E. AU Bychkova, S.V. PY 2022 PB AUS PUBLISHERS