About: http://webisa.webdatacommons.org/45929190

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	Causes, incidence, and risk factors: Color blindness occurs when there is a problem with the color-sensing materials (pigments) in certain nerve cells of the eye.
http://www.w3.org/ns/prov#wasQuotedFrom	emanuelmed.org