Effect of perioperative remote ischemic conditioning on myocardial injury in patients with unstable angina undergoing percutaneous coronary intervention: protocol of a multicenter, randomized, double-blind clinical trial. - Xia, Lingfeng; Yang, Qingyan; Jiang, Lingjun; Zheng, Yu; Chen, Leilei; Lin, Song; Reinhardt, Jan D.; Lu, Xiao (Trials, 2025)