About: http://webisa.webdatacommons.org/214707698

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 serum???s characteristics are similar to those of natural tears including pH and osmolarity, and it contains growth factors such as epithelial growth factor and platelet derived growth factor.
http://www.w3.org/ns/prov#wasQuotedFrom	clspectrum.com