About: http://webisa.webdatacommons.org/12089423

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 contrast, in humans and other species with vascular retinas such as rats, the retinal vessels keep the inner retinal PO2 at about 20 mm Hg (Fig. 9; Yu and Cringle, 2001) (Wangsa-Wirawan and Linsenmeier, 2003).
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca