title: Gene amplification and drug resistance in cultured animal cells.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002453:Cell Cycle; D002469:Cell Separation; D002478:Cells, Cultured; D006224:Cricetinae; D004247:DNA / Q000528:radiation effects; D004261:DNA Replication / Q000187:drug effects; D004351:Drug Resistance; D005260:Female; D005434:Flow Cytometry; D005784:Gene Amplification / Q000187:drug effects*; D006918:Hydroxyurea / Q000494:pharmacology; D008322:Mammals; D008727:Methotrexate / Q000008:administration & dosage / Q000494:pharmacology*; D013762:Tetrahydrofolate Dehydrogenase / Q000235:genetics* / Q000378:metabolism; D014466:Ultraviolet Rays
chemical_list: D004247:DNA; D013762:Tetrahydrofolate Dehydrogenase; D006918:Hydroxyurea; D008727:Methotrexate