TY CONF TI TO THE SURGICAL TREATMENT OF THE MEMBRANOUS FORM OF DUODENAL ATRESIA AND THE "ANNULAR" PANCREAS GLANDS IN CHILDREN KW annular pancreas KW brilliant-like anastomosis KW membranous atresia of the duodenum JO Process Management and Scientific Developments AU Baygozhinova, Z.B. AU Orumbayeva, Z.K. AU Aubakirov, M.T. PY 2024 PB AUS PUBLISHERS