The effectiveness of repetitive paravertebral block with ropivacaine and dexmedetomidine for the prevention of postherpetic neuralgia in patients with acute herpes zoster - Yang, Fan; Liao, Pingsheng; You, Yujuan; Liang, Yingping; Hu, Yanhui (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2022)