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Ultra-sensitive test detects a whisper of tumour DNA

Metastatic lung cancer. Light micrograph of a section through bowel tissue showing a secondary (metastatic) tumour.

A tumour of the bowel wall. A protocol for detecting trace amounts of tumour DNA in a blood sample could help to guide treatment of people with cancer. Credit: Steve Gschmeissner/SPL

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Nature 582, 151 (2020)




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