About: http://webisa.webdatacommons.org/447652198

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	Currently, there are supporting data mainly from observational studies, in which patients with disease are compared with those without the disease.
http://www.w3.org/ns/prov#wasQuotedFrom	visioncareprofessional.com