Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2841006
Is Reference of Encuesta de morbilidad-es#Sense
Krankheitshäufigkeitserhebung-de#Sense
Enquête sur la fréquence des maladies-fr#Sense
Disease frequency survey-en#Sense
Inquérito de frequência de doença-pt#Sense
Morbiditeitsonderzoek-nl#Sense
Indagine di prevalenza-it#Sense