Figure 4From: Interpretation of non-invasive breath tests using 13C-labeled substrates - a preliminary report with 13C-methacetin Serum kinetics of 13 C-methacetin from the 13 C-methacetin breath test 13 C-methacetin was applied intravenously in a dosage of 2 and 4 mg/kg and blood serum samples were drawn during breath analysis.Back to article page