INDICATORS OF OPTIMAL SYSTEMIC HEMODYNAMICS IN LOWER LIMB JOINT ARTHROPLASTY IN PATIENTS WITH HIGH ANESTHETIC RISK WITH UNILATERAL SPINAL ANESTHESIA COMBINED WITH UNILATERAL EPIDURAL ANALGESIA. Wor.Bul.Pub.Helt. [Internet]. 2022 Jul. 31 [cited 2026 Feb. 3];12:151-4. Available from: https://scholarexpress.net/index.php/wbph/article/view/1202