Highly sensitive assay for tiotropium, a quaternary ammonium, in human plasma by high-performance liquid chromatography/tandem mass spectrometry
2007 ◽
Vol 21
(11)
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pp. 1755-1758
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1999 ◽
Vol 854
(1-2)
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pp. 3-11
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2018 ◽
Vol 1080
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pp. 50-58
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2006 ◽
2013 ◽
Vol 41
(8)
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pp. 1147
2013 ◽
Vol 40
(11)
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pp. 1764-1771
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2013 ◽
Vol 30
(2)
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pp. 154-159
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