About: http://webisa.webdatacommons.org/145682548

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	Scientists do not know all the causes of bone diseases and it is reasonable to assume that boron, copper, and other trace elements may be important in keeping bones healthy.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov