TY JOUR TI NEONATAL LUPUUS SYNDROME KW neonatal lupus syndrome KW newborn KW conduction disorder KW pacemaker JO CASPIANJOURNALOF MEDICINE AND PHARMACY AU Berezhnova, T.A. AU Kubanova, F.R. AU Kashirskaya, E.I. PY 2023 IS 4 PB Astrakhan State Medical University