About: http://webisa.webdatacommons.org/99577407

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	Severe morning sickness is thought to be caused by high levels of the hormone human chorionic gonadotropin (hCG), which is made by the placenta and produced mainly during the first trimester.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com