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Footnotes
The “Journal of Cancer Research and Clinical Oncology” publishes in loose succession “editorials” and “guest editorials” on current and/or controversial problems in experimental and clinical oncology. These contributions represent the personal opinion of the authors. The authors of the present guest editorial and members of the Expert Group would like to ask readers to send their comments to the Chairman of the group, Prof. Dr. A. G. Hildebrandt (address as above)
For the German version of the definitions, see Table 1 of this text and “Kriterien zur Beurteilung von Kanzerogenitätsstudien mit Pflanzenschutzmitteln”. Mitteilung Nr. 17 der Senatskommission für Pflanzenschutz-, Pflanzenbehandlungs- und Vorratsschutzmittel der Deutschen Forschungsgemeinschaft (DFG), VCH Verlagsgesellschaft Weinheim, Weinheim, Bergstr. (1990)
The contributions made by Prof. Dr. P. Bannasch, Institut für experimentelle Pathologie, and by Prof. Dr. R. Preußmann, Institut für Toxikologie und Chemotherapie, both in Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 280, 6900 Heidelberg, while the present definitions were being elaborated are greatly appreciated