RETRACTED: Ultrasound-guided Serratus Anterior Plane Block Versus Thoracic Paravertebral Block on Alleviating the Acute and Chronic Pain Following the Video-assisted Thoracic Surgery: a Prospective, Randomized, Double-blinded Non-inferiority Clinical Trial

DOI: https://doi.org/10.21203/rs.3.rs-1142148/v1

Abstract

The authors have requested that this preprint be removed from Research Square.