About: http://webisa.webdatacommons.org/242467885

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	Only a few things are known to provoke it, including vitamin A derivatives, hormones, vitamin D3, and emodin (found in grape vines and other plants).
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org