About: phosphodiesterase type 5 inhibitor

Premodifier: phosphodiesterase
Head noun: type
Postmodifier: 5 inhibitor

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
viagra	isap:491079626	0.630764
cialis	isap:491205220	0.499318
sildenafil	isap:505179937	0.492689
tadalafil	isap:148002628	0.481999