·2,447,543篇论文数据，部分数据来源于NoteExpress
When a urethral injury is suspected, a retrograde urethrogram should be completed before catheterization is performed.
当怀疑有尿道损伤，在行导尿术之前，应先行逆行尿道造影。
youdao
应用推荐
模块上移
模块下移
不移动