PERSONALISED HAEMODYNAMIC MANAGEMENT TARGETING BASELINE CARDIAC INDEX IN HIGH-RISK PATIENTS UNDERGOING MAJOR ABDOMINAL SURGERY: A RANDOMISED SINGLE-CENTRE CLINICAL TRIAL ArticleNicklas J.Y., Diener O., Leistenschneider M., Sellhorn C., Winkler M., Saugel B., Schön G., Daum G., Schwedhelm E., Schröder J., Fisch M., Schmalfeldt B., Izbicki J.R., Bauer M., Coldewey S.M., Reuter D.A.British Journal of Anaesthesia. Том 125. 2020. С. 122-132