The efficacy and safety of blunt impingement followed by a sharp recanalization technique in hemodialysis patients with refractory central vein occlusion: a single-center experience - Sun, Ji-Bo; Zhao, Qiu-Yan; Salerno, Stephen; Shen, Xi; Li, Yi; Fu, Ping; Cui, Tian-Lei (Annals of Translational Medicine, 2022)