Use of liquid chromatography–atmospheric pressure chemical ionization-ion trap mass spectrometry for identification of oleanolic acid and ursolic acid inAnoectochilus roxburghii (wall.) Lindl
2003 ◽
Vol 32
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pp. 633-639
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Vol 26
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pp. 224-227
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pp. 3024-3032
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2015 ◽
Vol 42
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pp. 171-178
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2003 ◽
Vol 1014
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Vol 407
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Vol 24
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pp. 1828-1834
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