Fig. 1
From: No detection of EBV, BKV and JCV in breast cancer tissue samples in Iran
Photographs of gel electrophoresis. M: 100 bp DNA size marker; lanes 1: positive control; lanes 2: sample; lanes 3: Negative control. a PCR analysis of DNA samples extracted from breast tissue using β- globin primers. b PCR analysis of DNA samples extracted from breast tissue using EBV common primers. c PCR analysis of DNA samples extracted from breast tissue using type-specific primers for JCV. d PCR analysis of DNA samples extracted from colorectal tissue using type-specific primers for BKV