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The proportion of normal cells, especially immune cells, intermixed with cancerous cells in a given tissue sample may significantly skew the results of genetic analyses and other tests performed both ...

Failure to follow this basic principle of population science -- a common complaint about research in the cognitive sciences -- can profoundly skew the results of brain imaging studies, leading to ...

In next-generation sequencing (NGS) chromatin profiling experiments technical artefacts may be introduced at any stage, most importantly in fragmenting DNA, selecting the fragment population of ...