About: http://webisa.webdatacommons.org/38676321

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	The image lens (20) and the illumination bulb (21) are frequently smeared with blood, stool or other body fluids while in a hollow organ.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com