About: http://webisa.webdatacommons.org/19285793

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	???Coal tar preparations are also used in conjunction with ultraviolet (UV) light or sunlight, under the supervision of a physician, in the treatment of psoriasis or other conditions responding to this combined therapy.
http://www.w3.org/ns/prov#wasQuotedFrom	drugs.com