Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2841004
Is Reference of Taux de persévérance-fr#Sense
Tasso di proseguimento dell'uso di metodi contraccettivi-it#Sense
Continuation rate-en#Sense
Continueringscijfer-nl#Sense
Tasa de continuación-es#Sense