About: http://webisa.webdatacommons.org/383151858

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	In the United States, we spend $7.9 billion a year on allergies, including $4.5 billion in direct care costs and $3.4 billion in indirect costs, such as reduced productivity.2
http://www.w3.org/ns/prov#wasQuotedFrom	optometricmanagement.com