%0 Journal Article %T CRITERIA OF ASSESSMENT OF HIGH SPINAL ANESTHESIA EFFICIENCY IN UPPER ABDOMEN SURGERIES %A Yakushevskiy, A.B. %A Plekhanov, A.N. %A Zharnikov, A.V. %K %J Acta biomedica scientifica %D 2017 %N 2 %P 5 %I Scientific Center for Family Problems and Human Reproduction