title: Interference by caffeine in theophylline measurement.
authors.forename: D J
authors.initials: DJ
authors.lastname: Savory
mesh_terms: D002110:Caffeine / Q000032:analysis*; D003429:Cross Reactions; D007118:Immunoassay; D013806:Theophylline / Q000032:analysis*
chemical_list: D002110:Caffeine; D013806:Theophylline