About: http://webisa.webdatacommons.org/131264153

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	Unfortunately, study results on echinacea are mixed, so it is not clear at this time whether echinacea prevents or treats upper respiratory tract infections, such as the common cold.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov