About: http://webisa.webdatacommons.org/146823155

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	However, one of the problems with the prior art safety syringe assemblies is that they generally cannot be used with conventional syringes, are awkward to use and make calibrations and volume graduations difficult to see clearly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk