Answer to the Letter to the Editor of LJ Castro-Alves Et Al. Concerning “Comparative Study of the Efficacy of Transdermal Buprenorphine Patches and Prolonged-Release Tramadol Tablets for Postoperative Pain Control After Spinal Fusion Surgery: A Prospective, Randomized Controlled Non-Inferiority Trial” by HJ Kim Et Al. (2017) Eur Spine J;26:2961–2968

European Spine Journal - Germany

doi 10.1007/s00586-018-5785-8