输尿管支架生物降解材料丙交酯-乙交酯共聚物在体外的降解及临床应用
수뇨관지가생물강해재료병교지-을교지공취물재체외적강해급림상응용
In vitro degradation and clinical application of lactide-glycolic acid copolymer as ureteral stent materials