Assertion: bursa | /r/HasProperty | open
Facets:
value: by inserting a drain tube
type: MANNER
Source sentences:
text: The skin and bursa are kept open by inserting a drain tube into the bursa for several days.
text: The skin and bursa are kept open by inserting a drain tube into the bursa for several days.
text: The skin and bursa are kept open by inserting a drain tube into the bursa for several days.