Tang BK, Yilmaz B, Kalow W. Determination of phenobarbital, p-hydroxyphenobarbital and phenobarbital-N-glucoside in urine by gas chromatography chemical ionization mass spectrometry.
BIOMEDICAL MASS SPECTROMETRY 1984;
11:462-5. [PMID:
6509155 DOI:
10.1002/bms.1200110905]
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Abstract
A sensitive and efficient analytical procedure was developed to determine phenobarbital-N-glucoside, phenobarbital and p-hydroxyphenobarbital in urine. The stable-isotope labeled internal standards used in this assay were obtained in urine from a subject who ingested 15N-labeled phenobarbital.
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