title: Reversed-phase high-performance liquid chromatographic analysis of methotrexate and 7-hydroxymethotrexate in serum.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D006801:Humans; D008727:Methotrexate / Q000031:analogs & derivatives* / Q000097:blood* / Q000627:therapeutic use
chemical_list: C011864:7-hydroxymethotrexate; D008727:Methotrexate