TY JOUR TI ANALYSIS OF THE FREQUENCY OF BIRTH OF CHILDREN WITH CONGENITAL DEVELOPMENT DISORDERS IN A CITY WITH A PETROCHEMICAL INDUSTRY KW congenital cleft lip and palate KW petrochemical ecotoxicants KW ecology KW birth defects KW industrial emissions JO Actual problems in dentistry AU Andrianova, J.V. AU Chuykin, O.S. AU Gil'manov, M.V. AU Kuchuk, K.N. AU Makusheva, N.V. AU CHUYKIN, S.V. PY 2020 IS 16 PB TIRAZH Publishing House