Measurement of urinary vanilmandelic acid and homovanillic acid by high-performance liquid chromatography with electrochemical detection following extraction by ion-exchange and ion-moderated partition
1984 ◽
Vol 336
(1)
◽
pp. 173-188
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1993 ◽
Vol 622
(2)
◽
pp. 161-171
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1994 ◽
Vol 655
(2)
◽
pp. 326
1982 ◽
Vol 38
(3)
◽
pp. 840-843
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1988 ◽
Vol 34
(11)
◽
pp. 2228-2230
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1984 ◽
Vol 309
◽
pp. 379-384
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1992 ◽
Vol 29
(4)
◽
pp. 400-404
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1981 ◽
Vol 36
(4)
◽
pp. 1449-1462
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1982 ◽
Vol 20
(4)
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