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Direct sequencing of exon 15 of the BRAF gene after MEMO-PCR. Top, wild-type BRAF; bottom, a 3 bp deletion of coding nucleotides 1799 to 1801 (c.1799_1801delTGA; arrow).
Abbreviation: MEMO-PCR, mutant enrichment with 3'-modified oligonucleotides-PCR.
