Figure 1From: Human Papillomavirus (HPV) in breast tumors: prevalence in a group of Mexican patients Electroforetical analysis of nested PCR products. In left line – MW marker, lines marked 34 – 49 are negative and positive samples, PCR product size 150 bp, + – positive control (described in protocol), 0,0 – double negative control (PCR premix with no DNA).Back to article page