information about Sildenafil field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 49.1M papers | Biology 35.4M papers | Internal medicine 21M papers | Anatomy 2.8M papers |
| Current | |||
Sildenafil 11.8k papers | |||
| Child | |||
Tadalafil 5,165 papers | cGMP-specific phosphodiesterase type 5 4,330 papers | Vardenafil 1,753 papers | |
Trends