title: The use of drug-resistant markers to study the hybridization of mouse fibroblasts.
mesh_terms: D000630:Aminopterin / Q000494:pharmacology*; D000818:Animals; D001375:Azaguanine / Q000494:pharmacology; D001973:Bromodeoxyuridine / Q000494:pharmacology; D004247:DNA / Q000032:analysis; D004351:Drug Resistance; D006822:Hybrid Cells / Q000166:cytology* / Q000187:drug effects; D007621:Karyotyping; D007739:L Cells; D051379:Mice; D012313:RNA / Q000032:analysis
chemical_list: D012313:RNA; D004247:DNA; D001973:Bromodeoxyuridine; D000630:Aminopterin; D001375:Azaguanine