About: http://webisa.webdatacommons.org/42407982

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	s, incidence, and risk factorsUnilateral obstructive uropathy is most often caused by a kidney stone, although injury or other conditions could cause the disorder.When urine flow is blocked, it backs up into the kidney.
http://www.w3.org/ns/prov#wasQuotedFrom	texaschildrens.org