Comparison of patients undergoing general anesthesia or ultrasonographyguided interscalene block in shoulder surgery in terms of postoperative analgesia: A retrospective study. - Hanbeyoglu, Onur; Azak Bozan, Ayse; Urhan, Gokhan; Karatepe, Umit; Kaya, Oguz; Batur, Omer Cihan; Gurbuz, Mustafa Umit; Urfalioglu, Aykut (Annals of Medical Research, 2025)