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Two examples of pairs of DNA and RNA profiles generated from two sputum samples (C and D), by Direct Molecular Analysis. Lane 1 – sample C, DNA, Lane 2 – sample C, RNA, Lane 3 – sample D, DNA, Lane 4 – sample D, RNA. Arrows marked "a" indicate two examples where bands are present in the DNA profile but absent from the RNA profile. Arrows marked "b" indicate two examples where bands are present in the RNA profile but absent from the DNA profile.
