About: http://webisa.webdatacommons.org/154872950

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	That public health has been improving--due to many factors, especially our better understanding of infectious agents--is graphically shown by the vital statistics.
http://www.w3.org/ns/prov#wasQuotedFrom	univie.ac.at