High-performance liquid chromatographic determination of methotrexate, 7-hydroxymethotrexate, 5-methyltetrahydrofolic acid and folinic acid in serum and cerebrospinal fluid
1994 ◽
Vol 661
(1)
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pp. 109-118
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1983 ◽
Vol 272
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pp. 221-225
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1988 ◽
Vol 434
(1)
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pp. 315-319
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1985 ◽
Vol 29
(2)
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pp. 225-229
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1990 ◽
Vol 38
(10)
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pp. 2884-2886
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1998 ◽
Vol 705
(1)
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pp. 119-126
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1994 ◽
Vol 657
(1)
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pp. 243-247
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1986 ◽
Vol 380
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pp. 367-373
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1997 ◽
Vol 691
(2)
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pp. 425-432
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1993 ◽
Vol 11
(10)
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pp. 993-997
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