About: http://webisa.webdatacommons.org/122106816

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	An external light source is useful for treating psoriasis, skin carcinomas, and other disorders in which the target site is located within approximately 3 cm of the skin surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk