Chronic Pain — Efficacy of Compound Betamethasone Injection Combined With Ropivacaine in Ultrasound-guided Thoracic Paravertebral Nerve Block for Chronic Post-thoracotomy Pain
Citation(s)
Efficacy of Compound Betamethasone Injection Combined With Ropivacaine in Ultrasound-guided Thoracic Paravertebral Nerve Block for Chronic Post-thoracotomy Pain