死亡时间(postmortem interval,PMI)推断始终是法医实践工作的重点和难点.本文从传统死亡时间推断方法、机体死后核酸和组织降解、玻璃体液成分变化、组织生化等方面,对2002年以后各种死亡时间推断方法的优缺点进行介绍和比较,以期对法医学死亡时间推断研究提供新的思路.%Accurate estimation of the postmortem interval (PMI) has been one of the most important and complicated issues in the forensic practice. In order to provide novel perspectives for the future research concerning PMI, the advantages and disadvantages of related traditional methods, postmortem degradation of nucleic acid and tissue, the componential change of vitreous humor and histological biochemistry since 2002 have been introduced and compared in this review.
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