title: Characterization of methotrexate recovered from the urine of high dose patients for the purpose of clinical re-use.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D002852:Chromatography, Ion Exchange; D005260:Female; D006801:Humans; D007942:Leukemia, Experimental / Q000188:drug therapy; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000302:isolation & purification / Q000627:therapeutic use / Q000652:urine*; D051379:Mice; D012516:Osteosarcoma / Q000188:drug therapy / Q000652:urine*; D011749:Pyrogens / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011749:Pyrogens; D008727:Methotrexate