title: Kodak Ektachem theophylline assay.
authors.forename: J
authors.initials: J
authors.lastname: Singh
authors.forename: N
authors.initials: N
authors.lastname: Greenberg
mesh_terms: D002624:Chemistry, Clinical / Q000379:methods* / Q000706:statistics & numerical data; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D013806:Theophylline / Q000097:blood*
chemical_list: D013806:Theophylline