Fig. 3From: Low prevalence of human mammary tumor virus (HMTV) in breast cancer patients from MyanmarExclusion of murine DNA contamination in MB14-DNA. Murine mitochondrial DNA semi-nested PCR was performed using MB14-DNA (250Â ng). Serially diluted DNAs from murine 4Â T1 cells were used as positive controls. M, 100-bp DNA ladderBack to article page