Visconti C, Mastroluca A, Varano L, Del Gaudio A. Tapentadol prolonged release in association with analgesic radiofrequency for the treatment of chronic lumbar radicular pain: an observational, prospective study. Eur Rev Med Pharmacol Sci. 2019;23(4 Suppl):27?34. doi:10.26355/eurrev_201911_19375