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A Neighbor-Joining Tree Constructed with HPV L1 Nucleotide Sequences of the Clones Obtained From the 12 Patients with RRP that Corresponds to HPV Genotypes 6 And 11. Bootstrap values <70 obtained after 1,000 replicates of the data sheet, are shown in the nodes of the tree. Red three angles showed the reference sequences of each genotypes 6 and 11.
