About: http://webisa.webdatacommons.org/228287085

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	In the lirst place, in the examination of such vital organs as those mentioned, and particularly in the case of the living heart, it is essential that vision be made possible in a dircction forwardly of the instrument employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com