About: http://webisa.webdatacommons.org/426306799

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	OUND: The incidence of twin pregnancies is increasing in industrialized countries, including Norway.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov