About: http://webisa.webdatacommons.org/343221650

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	In the last 18 months, about a dozen studies of experimental drugs Pfizer was testing for Alzheimer's disease, or various types of cancer and pain, failed because of poor efficacy or safety problems not seen in years of prior research.
http://www.w3.org/ns/prov#wasQuotedFrom	utsandiego.com