About: http://webisa.webdatacommons.org/277135589

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	line.com] The penicillins are the oldest class of antibiotics, they are widely used in modern medicine. [/url]
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com