About: http://webisa.webdatacommons.org/414404454

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	At the time of birth, the physician will try to get an idea of whether twins are identical or fraternal by examining whether they share the same sac.
http://www.w3.org/ns/prov#wasQuotedFrom	genexdiagnostics.com