title: Influence of uremia on four assays for theophylline: improved results with a monoclonal antibody in the TDx procedure.
mesh_terms: D000911:Antibodies, Monoclonal; D001322:Autoanalysis; D005454:Fluorescence Polarization / Q000379:methods; D006801:Humans; D007118:Immunoassay / Q000379:methods; D007124:Immunoenzyme Techniques; D013806:Theophylline / Q000097:blood*; D014511:Uremia / Q000097:blood*
chemical_list: D000911:Antibodies, Monoclonal; D013806:Theophylline