the effect of pretreatment of skin of sencar mice with topically applied tannic acid , quercetin and green tea polyphenols ( gtp ) on the skin tumor initiating activity of ( +/- ) -7 beta,8 alpha-dihydroxy-9 alpha,10 alpha-epoxy-7,8,9,10-tetrahydrobenzo [ a ] pyrene ( bpde-2 ) has been evaluated .
C0037267
the
C0037286
the skin tumor