TY JOUR TI ULTRASONIC DIAGNOSIS OF RENAL ABSCESS PYELONEPHRITIS IN A CHILD (CASE FROM PRACTICE) KW JO Acta biomedica scientifica AU Konotoptseva, A.N. AU Kozlova, L.E. AU Vasilyev, D.V. PY 2017 IS 2 PB Scientific Center for Family Problems and Human Reproduction