硬质渗透性载体表面接触DNA的检验
严安心, 王冲, 凃政, 徐秀兰, 徐珍, 陈静, 李永久

Detection of Touch DNA on the Hard and Permeable Objects
YAN Anxin, WANG Chong, TU Zheng, XU Xiulan, XU Zhen, CHEN Jing, LI Yongjiu
表面接触痕迹的显现(箭头所指为疑似接触痕迹。a图载体为石头; b图载体为混凝土块)