About: http://webisa.webdatacommons.org/234401414

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	However, Steil et al. does not teach any means in which a layer of an obscuring material, such as blood, can be effectively removed from a visible image, such as that of an operating field.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es