About: http://webisa.webdatacommons.org/157538665

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	If there is evidence of rectal bleeding or blood in the stool, a sigmoidoscopy or colonoscopy may be recommended to rule out conditions such as colorectal polyps or cancer, especially in people over age 50.
http://www.w3.org/ns/prov#wasQuotedFrom	bettermedicine.com