2Wickenheiser RA. Trace DNA: a review, discussion of theory, and application of the transfer of trace quantities of DNA through skin contact[J]. J Forensic Sci, 2002, 47 (3) : 442-450.
3Bright JA, Petricevic SF. Recovery of trave DNA and its application to DNA profiling of shoe insoles[J]. Forensic Sci Int,2004,145(1) :7-12.