title: Quantitative enzyme immunoassay: current status.
mesh_terms: D000662:Amphetamines / Q000097:blood / Q000652:urine; D001463:Barbiturates / Q000097:blood / Q000652:urine; D003429:Cross Reactions; D003937:Diagnosis, Differential; D004798:Enzymes / Q000276:immunology; D006801:Humans; D007118:Immunoassay / Q000379:methods*; D008433:Mathematics; D009294:Narcotics / Q000097:blood / Q000652:urine; D004364:Pharmaceutical Preparations / Q000032:analysis
chemical_list: D000662:Amphetamines; D001463:Barbiturates; D004798:Enzymes; D009294:Narcotics; D004364:Pharmaceutical Preparations