Assertion: epithelium's cell | /r/ObjectUse | used in experiment
Facets:
Source sentences:
text: Studies suggest anywhere from 15–20% of the time, cells used in experiments have been misidentified or contaminated with another cell line.
text: Cells derived from Drosophila melanogaster (most prominently, Schneider 2 cells) can be used for experiments which may be hard to do on live flies or larvae, such as biochemical studies or studies using siRNA.