Dissociation of the early antiproliferative action of methylglyoxal bis(guanylhydrazone) from polyamine depletion: A comparison of the effects of DL-α-difluoromethyl ornithine and methylglyoxal bis(guanylhydrazone) on the growth of human fibroblasts
1. Departments of Medical Chemistry, University of Helsinki, SF-00170 Helsinki 17, Finland;2. Virology, University of Helsinki, SF-00170 Helsinki 17, Finland;3. Biochemistry, University of Helsinki, SF-00170 Helsinki 17, Finland