THE ROLE OF STRESS, NEUROCYTOLYSIS, DISORDERS OF ANGIOGENESIS AND SYNAPTOGENESIS IN THE DEVELOPMENT OF EARLY POKD IN PATIENTS WHO UNDERWENT HIP ARTHROPLASTY UNDER SPINAL ANESTHESIA. Scientific and practical journal 2023, 28 (4), 128-133. https://doi.org/10.21802/artm.2023.4.28.128.