About: http://webisa.webdatacommons.org/418270907

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	Premature birth is most common in mothers who are older or very young, have weight problems, infections, multiple fetuses, or a previous premature child, but in half of all cases none of these factors are present.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com