[Serum monitoring of methotrexate (MTX) and 7-hydroxymethotrexate concentrations in patients treated with MTX using high-pressure liquid chromatography (HPLC) and comparison of serum MTX levels between HPLC method and fluorescence polarization immunoassay (FPIA)].
Source:http://linkedlifedata.com/resource/pubmed/id/2053771
