21例强制戒毒人员吞服异物后影像学检查资料回顾性分析
刘黎明1, 周自明2

Retrospective Analysis of 21 Cases with the Imaging Data of Foreign Objects Swallowed by Drug Addicts under Compulsory Rehabilitation
LIU Liming1, ZHOU Ziming2
体内异物滞留时间