I believe it is the very same method used to test
Post# of 72440
"Prurisol was studied in mice that were irradiated with 350 Rads whole body to suppress graft rejection, and then engrafted with human psoriatic tissue by inserting human psoriatic tissue under the skin using a trocar". - See more at: http://cellceutix.com/km-133-summary/#sthash.7zX93fpK.dpuf