R.R. SAFIN Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, 138 Orenburgskiy Trakt, Kazan, Russian Federation 420064 Safin R.R. ― D. Sc. (medicine), Chief Researcher, e-mail: safin_r.r@hotmail.com, ORCID ID: 0000-0003-0960-7424 The retrospective study included 6535 cases of brachial plexus blockade (BPS) in various modifications. The average age of the patients […]