About: http://webisa.webdatacommons.org/157038632

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	Acquiring collagen samples directly from bone, for example, is an invasive procedure requiring substantial risk and discomfort.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es