Simple Method for Determining Isoniazid Acetylator PhenotypeBr Med J 1970; 3 doi: https://doi.org/10.1136/bmj.3.5718.324 (Published 08 August 1970) Cite this as: Br Med J 1970;3:324
- D. W. Russell
Methods have been developed for estimating acetylisoniazid and isoniazid in urine without a spectrophotometer. In experiments with volunteers the ratio of acetylisoniazid to isoniazid in urine samples collected the morning after three spaced oral doses each of 100 mg. was bimodally distributed.
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