TY JOUR TI ULTRASOUND CASE OF SOLID PSEUDOPAPILLARY TUMOR OF THE PANCREAS KW ultrasound diagnostics KW pancreas KW tumor JO Acta biomedica scientifica AU Botoeva, M.. AU Turova, S.. AU Kozlova, L.E. AU Konotoptseva, A.N. PY 2016 IS 1 PB Scientific Center for Family Problems and Human Reproduction