title: Metronidazole exhibits no clastogenic activity in a double-blind cross-over study on Crohn's patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000187:drug effects*; D003424:Crohn Disease / Q000188:drug therapy / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000494:pharmacology* / Q000627:therapeutic use; D012460:Sulfasalazine / Q000494:pharmacology* / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D008795:Metronidazole; D012460:Sulfasalazine