title: Synthesis and retention of methotrexate polyglutamates by human small cell lung cancer.
mesh_terms: D018288:Carcinoma, Small Cell / Q000378:metabolism*; D002460:Cell Line; D006801:Humans; D008175:Lung Neoplasms / Q000378:metabolism*; D008727:Methotrexate / Q000031:analogs & derivatives* / Q000378:metabolism / Q000494:pharmacology; D010455:Peptides / Q000378:metabolism*; D011099:Polyglutamic Acid / Q000031:analogs & derivatives / Q000378:metabolism* / Q000494:pharmacology; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis
chemical_list: D010455:Peptides; D011099:Polyglutamic Acid; C014085:methotrexate polyglutamate; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate