About: http://webisa.webdatacommons.org/251684517

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 extrinsic variant occurs in non-atopics and mast cell activation is provoked by a number of different things, such as drugs, emotion, cold air, exercise and other irritants.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com