Summary
Only formhydroxamic acid and its certain derivatives induce in rats cleft-lip and palate (CLP) after treatment during early embryonic developmental phase. Other hydroxamic acids and formamide-derivatives caused different malformations but no CLP. Also unknown in rats in the hereditary CLP. The possible causes of CLP in rats are compared with these in mice and men.
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Pfeifer, G., von Kreybig, T. Über die Ätiologie der Lippen-Kieferspaltformen und Gaumenspalten beim Menschen und im Tierexperiment. Experientia 29, 225–228 (1973). https://doi.org/10.1007/BF01945491
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DOI: https://doi.org/10.1007/BF01945491