title: [Determination of methotrexate by higher derivative convolution polarography].
authors.forename: C F
authors.initials: CF
authors.lastname: Liu
authors.forename: L Q
authors.initials: LQ
authors.lastname: Chen
authors.forename: K
authors.initials: K
authors.lastname: Jiao
mesh_terms: D006801:Humans; D008727:Methotrexate / Q000032:analysis* / Q000652:urine; D011048:Polarography / Q000379:methods
chemical_list: D008727:Methotrexate