Efficacy and tolerance of early administration of tranexamic acid in patients with cirrhosis presenting with acute upper gastrointestinal bleeding: a study protocol for a multicentre, randomised, double-blind, placebo-controlled trial (the EXARHOSE study)

早期应用氨甲环酸治疗伴有急性上消化道出血的肝硬化患者的疗效和耐受性：一项多中心、随机、双盲、安慰剂对照试验的研究方案（EXARHOSE 研究）