作者: D. P. Rose
DOI: 10.1007/978-1-4684-1782-1_25
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摘要: The pathway by which tryptophan is metabolized to yield nicotinic acid ribonucleotide has been the subject of considerable interest in recent years. Abnormal urinary excretion metabolites this vitamin B6 deficiency led extensive use a load test for study pyridoxine requirements man (1–3).