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6. Usefulness of the simultaneous determination of serum levels of theophylline and its metabolites in patients medicated with theophylline preparation. Watanabe Y; Chohnabayashi N; Nasu H; Nishimura N; Uchiyama N; Kizu J Biomed Chromatogr; 2011 Apr; 25(4):432-4. PubMed ID: 20586107 [TBL] [Abstract][Full Text] [Related]
7. Acetic acid improves the sensitivity of theophylline analysis by gas chromatography-mass spectrometry. Saka K; Uemura K; Shintani-Ishida K; Yoshida K J Chromatogr B Analyt Technol Biomed Life Sci; 2007 Feb; 846(1-2):240-4. PubMed ID: 17011247 [TBL] [Abstract][Full Text] [Related]
8. [Measurement of theophylline concentrations by AccuMeter--comparison with the EIA method]. Hasegawa M; Nobutani E; Kaneko N; Kudoh M; Endoh S; Maeda Y; Ojima C; Akiyama K Arerugi; 1998 Jul; 47(7):674-8. PubMed ID: 9780442 [TBL] [Abstract][Full Text] [Related]
9. Reduced serum theophylline concentrations after discontinuation of azithromycin: evidence for an unusual interaction. Pollak PT; Slayter KL Pharmacotherapy; 1997; 17(4):827-9. PubMed ID: 9250566 [TBL] [Abstract][Full Text] [Related]
10. Theophylline concentration following equal doses of intravenous aminophylline and oral theophylline in preterm infants. al-Omran A; al-Alaiyan S Am J Perinatol; 1997 Mar; 14(3):147-9. PubMed ID: 9259917 [TBL] [Abstract][Full Text] [Related]
12. [Analysis of the theophylline pharmacokinetics of sustained-release theophylline (Theodur) dry syrup in children]. Okuma M; Iikura Y Arerugi; 1999 Jun; 48(6):589-96. PubMed ID: 10423899 [TBL] [Abstract][Full Text] [Related]
13. High-throughput liquid chromatography-tandem mass spectrometry assay for plasma theophylline and its metabolites. Song J; Park KU; Park HD; Yoon Y; Kim JQ Clin Chem; 2004 Nov; 50(11):2176-9. PubMed ID: 15502093 [No Abstract] [Full Text] [Related]
14. A rapid and sensitive method for the determination of the amount of theophylline in blood spots. Watson DG; Oliveira EJ; Boyter AC; Dagg KD J Pharm Pharmacol; 2001 Mar; 53(3):413-6. PubMed ID: 11291759 [TBL] [Abstract][Full Text] [Related]
16. [Usefulness of "Biotrack Theophylline kit" for measuring serum theophylline concentration in patients with chronic asthma]. Iwata T Nihon Rinsho; 1996 Nov; 54(11):3113-8. PubMed ID: 8950964 [TBL] [Abstract][Full Text] [Related]
17. Enhanced theophylline metabolism in patients with bronchial asthma at age 4 and under. Kizu J; Arakawa M; Arakawa Y; Komoda F; Takamizawa M; Iwata T; Hayakawa T; Imai K Biomed Chromatogr; 1999 Nov; 13(7):462-4. PubMed ID: 10534757 [TBL] [Abstract][Full Text] [Related]
18. Serum theophylline levels in adult asthmatics: comparison of oral sustained-release and microcrystalline preparations. Jones DT; Sears MR N Z Med J; 1980 Sep; 92(667):196-8. PubMed ID: 6933358 [TBL] [Abstract][Full Text] [Related]
19. Theophylline controlled-release formulations: in vivo-in vitro correlations. Yu Z; Schwartz JB; Sugita ET Biopharm Drug Dispos; 1996 Apr; 17(3):259-72. PubMed ID: 8983400 [TBL] [Abstract][Full Text] [Related]