Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2841
Is Reference of Sildenafil-it#Sense
Viagra-it#Sense
Sildénafil vasodilatateur-fr#Sense
Viagra-en#Sense
Viagra-fr#Sense
Viagra-pt#Sense
Sildenafil citrate-en#Sense