tummarintra P, Kriengsoontornkij W. Reliability and rapid analysis method of plasma busulfan by solid phase extraction gas chromatography-mass spectrometry. Arch AHS [internet]. 2019 May 3 [cited 2026 Aug. 27];31(1):2-8. available from: https://he01.tci-thaijo.org/index.php/ams/article/view/187271