Assertion: viagra's sildenafil | /r/Causes | serious side effects
Facets:
value: in patients with heart problems
type: OTHER
value: like all medicines
type: OTHER
Source sentences:
text: Sildenafil can cause serious side effects in patients with heart problems.
text: Like all medicines, Sildenafil can cause side effects, although not everybody gets them.
text: It also means that sildenafil and Viagra can cause the same side effects.
text: Sildenafil can cause serious side effects in patients with heart problems.