About: http://webisa.webdatacommons.org/31291542

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	Caffeine and other xanthines ( tea, chocolate are sources ) cause relaxation of smooth muscle.
http://www.w3.org/ns/prov#wasQuotedFrom	ultrunr.com