About: http://webisa.webdatacommons.org/213627337

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	Two well-established risk factors for neural tube defects are a history of a fetus or child with a neural tube defect or having a first-, second-, or third-degree relative with such a defect (3???4).
http://www.w3.org/ns/prov#wasQuotedFrom	annals.org