title: Improved thin-layer chromatography system for methadone and its metabolites in biological samples.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D002855:Chromatography, Thin Layer / Q000379:methods*; D005243:Feces / Q000032:analysis; D005782:Gels; D007668:Kidney / Q000032:analysis; D008168:Lung / Q000032:analysis; D008691:Methadone / Q000032:analysis* / Q000097:blood / Q000378:metabolism; D009132:Muscles / Q000032:analysis; D012822:Silicon Dioxide; D013154:Spleen / Q000032:analysis
chemical_list: D005782:Gels; D012822:Silicon Dioxide; D008691:Methadone