Erector Spinae Plane Blocks for the Early Analgesia of Rib Fractures in Trauma (ESPEAR): protocol for a multicentre pilot randomised controlled trial with feasibility and embedded qualitative assessment.
David W HewsonJessica NightingaleReuben OgollahBenjamin J OllivereMatthew L CostaSimon CraxfordPeter BatesNigel M BedforthPublished in: BMJ open (2022)
ISRCTN49307616.