About: http://webisa.webdatacommons.org/155071649

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	They are used in cases where there are problems such as suspected miscarriage, molar pregnancy or twins, as a way of monitoring the changes in the level over time.
http://www.w3.org/ns/prov#wasQuotedFrom	doctorslounge.com