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The reliability of the 13C-phenylalanine breath test for phenylketonuria patients: a pilot study

To establish the test-retest reliability of the 13C-PBT for measuring Phe hydroxylation in patients with PKU.

Non-invasive fetal electrocardiography and speckle tracking echocardiography in the second trimester, 16 until 28 weeks gestational age: a prospective cohort study.

The primary objective of this study is to generate reference values for NFMS parameters as well as for 2D-STE parameters during the second trimester, 16 until 28 weeks gestational age. The secondary objective is to investigate the diagnostic…

Treatment of Hemorrhoids: Rubber band ligation Or Sclerotherapy

We want to compare the effectiveness of sclerotherapy and rubberband ligation when it comes to symptoms. We will secondarily consider patient satisfaction, complications and recurrences. We hypothesize that both treatments are equally effective.

Complex fractionated atrial electrocardiograms (CFAEs) guided ablation versus pulmonary vein isolation guided ablation in persistent atrial fibrillation, a multicenter randomized trial

to compare the efficacy and safety of complex fractionated atrial electrocardiograms (CFAEs) guided ablation to pulmonary vein isolation based ablation in patients with persistent atrial fibrillation (AF).