TY JOUR TI QUALITY AND SAFETY CONTROL OF MEDICAL ACTIVITIES IN THE STATE BUDGETARY INSTITUTION OF HEALTHCARE OF ASTRAKHAN REGION «REGIONAL BLOOD CENTER» IN 2018-2020 KW quality control KW safety of medical activity KW medical commission KW standard operating procedures JO CASPIANJOURNALOF MEDICINE AND PHARMACY AU Zheltova, M.N. AU Petrukhina, O.N. PY 2021 IS 2 PB Astrakhan State Medical University