About: http://webisa.webdatacommons.org/241475480

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Population aging is the demographic phenomenon characterizing all countries in the world, and it is challenging the national infrastructures, in particular health systems.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov