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Point Mutations in 23s rRNA Genes of Clarithromycin-Resistant H. pylori. A; Adenine, G; Guanine, C; Cytosine, T; Thymine. Blue indicates the presence of the corresponding mutation. Nucleotides highlighted in green are novel mutations. UB, Ulaanbaatar city. Provinces: Kh, Khuvsgul; Uvs, Uvs; Ke, Khentii; Go, Umnugovi.
