title: Isolation of human diploid cell variants with enhanced colony-forming efficiency in semisolid medium after a single-step chemical mutagenesis.
mesh_terms: D002448:Cell Adhesion; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D002999:Clone Cells / Q000187:drug effects; D003470:Culture Media; D004171:Diploidy; D005347:Fibroblasts / Q000187:drug effects / Q000473:pathology; D006801:Humans; D008769:Methylnitronitrosoguanidine / Q000494:pharmacology; D009154:Mutation / Q000187:drug effects
chemical_list: D003470:Culture Media; D008769:Methylnitronitrosoguanidine