About: http://webisa.webdatacommons.org/414324632

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	Other elements essential to metabolism, such as carbon, which has relatively low 13 C abundance and low sensitivity, are difficult to image directly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr