About: http://webisa.webdatacommons.org/149240657

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	In fact, the mean birth weight of infants born as singletons (births of one infant as opposed to twins or other multiple births) has steadily declined since 1990, according to the CDC National Center for Health Statistics.
http://www.w3.org/ns/prov#wasQuotedFrom	libraryindex.com