Assertion: virus | /r/CapableOf | form plaque
Facets:
value: on those cells
type: LOCATION
Source sentences:
text: Assuming that the same cell system is used, that the virus forms plaques on those cells, and that no procedures are added which would inhibit plaque formation, 1 ml of virus stock would be expected to have about half of the number of plaque forming units (PFUs) as TCID 50 .