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Sequence chromatograms of the index patient and family members analyzed for the DPYD c.1905+1G>A mutation. Trace sequences of DPYD exon 14 coding and flanking intron region including position c.1905 (indicated with an arrow). From top to bottom: c.1905+1G>A homozygous (index patient, II.2), heterozygous (sons, III.2 and III.3), and wild type (sister, II.5).
