About: http://webisa.webdatacommons.org/54041644

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	Initially it worked for me. however it has had some side effects such as hair falling out and slight memory loss but has not been effective in preventing headaches for about a year.
http://www.w3.org/ns/prov#wasQuotedFrom	migraine.com