Comparison of the phenacetin and aminopyrine breath tests: Effect of liver disease, inducers and cobaltous chloride

The phenacetin breath test (PBT) has been proposed as an alternative to the aminopyrine breath test (ABT) for the assessment of hepatic function. To investigate the clinical utility of the PBT, we compared the PBT with the ABT in 9 healthy subjects and 18 patients with biopsy‐proven liver disease. W...

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