title: Separation and identification of subpicomole amounts of methotrexate polyglutamates in animal and human biopsy material.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D008727:Methotrexate / Q000031:analogs & derivatives* / Q000032:analysis; D008832:Microchemistry; D011099:Polyglutamic Acid / Q000031:analogs & derivatives / Q000032:analysis; D011869:Radioligand Assay; D051381:Rats; D014018:Tissue Distribution
chemical_list: D011099:Polyglutamic Acid; D008727:Methotrexate