Ropivacaine with Dexmedetomidine or Dexamethasone in a Thoracic Paravertebral Nerve Block Combined with an Erector Spinae Plane Block for Thoracoscopic Lobectomy Analgesia: A Randomized Controlled Trial. - Yang J; Zhao M; Zhang XR; Wang XR; Wang ZH; Feng XY; Lei YJ; Zhang JW (Drug design, development and therapy, 2022)