2e00d896_pes_of_Samples_for_DNA_Testing__These_are_the_ones_to_obtain_
[Excellent Samples] Snotty Kleenexes $360.00 [These are the ones to obtain.] 
Used tissues are generally very poor specimens with which to work. They rarely produce sufficient DNA for analysis. (However, blood on a tissue will work very well).
Types of Samples for DNA Testing
These are the ones to obtain.