Bielykh O. THE IMPORTANCE OF NON-INVASIVE REGIONAL BRAIN OXIMETRY IN PREVENTING POSTOPERATIVE COGNITIVE DYSFUNCTION DURING LAPAROSCOPIC CHOLECYSTECTOMY IN ELDERLY AND SENILE PATIENTS. Eureka: HS [Интернет]. 31 июль 2020 г. [цитируется по 30 декабрь 2020 г.];(4):11-7. доступно на: http://journal.eu-jr.eu/health/article/view/1351