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Journal of Pharmaceutical Sciences|August 1, 1977
High-performance liquid chromatographic determination of perphenazine and amitriptyline hydrochloride in two-component tablet formulationsA G Butterfield, R W SearsJournal of Pharmaceutical Sciences|May 1, 1978
Simultaneous determination of reserpine and hydrochlorothiazide in two-component tablet formulations by high-performance liquid chromatographyA G Butterfield, E G Lovering, R W SearsJournal of Pharmaceutical Sciences|June 1, 1978
Simultaneous determination of procainamide and N-acetylprocainamide in plasma by high-performance liquid chromatographyA G Butterfield, J K Cooper, K K MidhaJournal of Pharmaceutical Sciences|February 1, 1980
High-performance liquid chromatographic determination of isoniazid and 1-isonicotinyl-2-lactosylhydrazine in isoniazid tablet formulationsA G Butterfield, E G Lovering, R W SearsJournal of Chromatography|May 1, 1977
Analysis of prednisolone in plasma by high-performance liquid chromatographyJ C Loo, A G Butterfield, J Moffatt, et al.Journal of Pharmaceutical Sciences|February 1, 1975
Simultaneous high-speed liquid chromatographic determination of tetracycline and rolitetracycline in rolitetracycline formulationsA G Butterfield, D W Hughes, W L Wilson, et al.Journal of Pharmaceutical Sciences|March 1, 1975
Combined assay, identification, and foreign related steroids test for methandrostenolone by high-speed liquid chromatographyA G Butterfield, B A Lodge, N J Pound, et al.Journal of Pharmaceutical Sciences|May 1, 1977
High-performance liquid chromatographic determination of chlordiazepoxide and major related impurities in pharmaceuticalsA G Butterfield, F F Matsui, S J Smith, et al.Antimicrobial Agents and Chemotherapy|July 1, 1973
Separation and detection of tetracyclines by high-speed liquid chromatographyA G Butterfield, D W Hughes, N J Pound, et al.Journal of Pharmaceutical Sciences|May 1, 1979
Stability-indicating high-performance liquid chromatographic determination of chlorpropamide, tolbutamide, and their respective sulfonamide degradatesD L Robertson, A G Butterfield, H Kolasinski, et al.Pageof 2