About: http://webisa.webdatacommons.org/347188052

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	Bladder stones form when the urine contains excess amounts of a substance, usually a mineral, such as calcium or phosphate.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com