About: http://webisa.webdatacommons.org/224280945

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 fact is, there are a number of different over-the-counter medications, foods, vitamin supplements, and even prescription medicines that can cause a false positive.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org