Gaziev Z.T., and Avakov V.E. “Anesthesia For Total Arthroplasty Of The Joints Of The Lower Extremities In Patients With A High Anesthetic Risk”. The American Journal of Medical Sciences and Pharmaceutical Research, vol. 2, no. 09, Sept. 2020, pp. 56-63, doi:10.37547/TAJMSPR/Volume02Issue09-12.