About: http://webisa.webdatacommons.org/431811109

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	Annex 3: Biological substances - International Standards and Reference Reagents Annex 4: Recommendations and guidelines for biological substances used in medicine and other documents ?? World Health Organization 2015.
http://www.w3.org/ns/prov#wasQuotedFrom	who.int