Assertion: viagra's sildenafil | /r/ObjectUse | used with caution
Facets:
value: in these patients
type: TRANSITIVE-OBJECT
Source sentences:
text: —Chance of problems occurring may be increased and sildenafil should be used with caution in these patients.
text: —Chance of problems occurring may be increased and sildenafil should be used with caution in these patients.