Evaluating the safety and efficacy of argatroban locking solution in the prevention of the dysfunction of haemodialysis central venous catheters: a study protocol for a randomized controlled trial - Wang, Yiqin; Liu, Chao; Zhang, Li; Li, Jijun; Zhang, Lei; Wang, Yong; Zhu, Hanyu; Cao, Xueying; Wu, Di; Wu, Jie; Lin, Shupeng; Feng, Zhe; et al. (Annals of Palliative Medicine, 2021)