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. 2015 Aug 31;4:9. doi: 10.5772/61320

Figure 2.

Figure 2.

(a) Preoperative plasma cfHER-2 DNA and cfB2M DNA levels from tissue HER-2-positive patients compared with levels from healthy controls. (b) Preoperative plasma cfHER-2 DNA and cfB2M DNA from tissue HER-2-negative patients compared with levels from healthy controls.