Determination of opiates in biological samples through the analysis of heptafluorobutyric derivatives by gas chromatography/negative ion chemical ionization mass spectrometry
1993 ◽
Vol 50
(4)
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pp. 257-268
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1985 ◽
Vol 343
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pp. 239-247
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1990 ◽
Vol 518
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pp. 41-52
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1979 ◽
Vol 172
(1)
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pp. 279-286
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1993 ◽
Vol 22
(4)
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pp. 235-242
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1989 ◽
Vol 497
◽
pp. 282-287
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1997 ◽
Vol 20
(3)
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pp. 247-252
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1989 ◽
Vol 13
(2)
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pp. 69-72
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1994 ◽
Vol 660
(1)
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pp. 95-101
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1982 ◽
Vol 231
(1)
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pp. 194-199
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