About: http://webisa.webdatacommons.org/319534209

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	condition.The question of illumination, the position of test types with reference to patient and light, and even the arrangement of the case of test lenses, all are worthy of attention.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com