About: http://webisa.webdatacommons.org/209721733

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	Free of calcium, as used herein, means that calcium, including ions thereof, is present in the pharmaceutical preparation in a concentration of 1% or less.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com