Fig. 3From: Intratumoral heterogeneity of EGFR-activating mutations in advanced NSCLC patients at the single-cell levelRepresentative agarose gel electrophoresis pictures from single-cell nested PCR amplification. a Agarose gel electrophoresis of single H1975 cells. b Agarose gel electrophoresis of single tumor cells. (P: tissue cells as positive control; N: normal cell as negative control; NTC: blank control)Back to article page