Assertion: isotonic saline | /r/HasProperty | placed over exposed nerve root
Facets:
value: after having had a standard microdiscectomy
type: TEMPORAL
Source sentences:
text: Patients in group B (control group) received a similar gelfoam soaked in 0.9 % isotonic saline alone which was placed over the exposed nerve root and adjacent thecal sac after having had a standard microdiscectomy.