About: http://webisa.webdatacommons.org/270398377

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	Constipation is the most common gastrointestinal complaint in the United States, resulting in about 2 million annual visits to the doctor.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com