PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Acetate and citrate buffers, such as acetic acid or a pharmaceutically acceptable salt thereof, or citric acid or a pharmaceutically acceptable salt thereof, are preferred.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com