Comparative Effectiveness of Continuous Intra-Operative Suprascapular Nerve Block (CI-SSNB) with and Without Intravenous Patient-Controlled Analgesia (IV-PCA) on Acute Post-Arthroscopy Pain: A Retrospective Cohort Study. - Hong, Sung-yup; Lee, Dong-woo; Kim, Ji-hun; Hyun, Yoon-suk (Journal of Clinical Medicine, 2025)