Assertion: viagra's sildenafil | /r/HasProperty | selective
Facets:
value: for pde5
type: TRANSITIVE-OBJECT
Source sentences:
text: Studies in vitro have shown that sildenafil is selective for PDE5.
text: Studies in vitro have shown that sildenafil is selective for PDE5.
text: Studies in vitro have shown that sildenafil is selective for PDE-5.
text: Studies in vitro have shown that sildenafil is selective for PDE-5.
text: Studies in vitro have shown that sildenafil is selective for PDE5.
text: Studies in vitro have shown that sildenafil is selective for PDE5.
text: Studies in vitro have shown that sildenafil is selective for PDE-5.
text: Studies in vitro have shown that sildenafil is selective for PDE5.
text: Studies in vitro have shown that sildenafil is selective for PDE5, which is involved in the erection process.