we investigated the effect of pretreatment with difluoromethylornithine ( dfmo ) , an ornithine decarboxylase inhibitor , on the cytocidal responses of four human adenocarcinoma cell lines to two alkylating and crosslinking agents : chlorambucil and n , n ' , n '' '' -triethylenethiophosphoramide ( thiotepa ) .
C0001418
adenocarcinoma
C0039871
( thiotep