About: http://webisa.webdatacommons.org/454236144

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	uncertainties and other factors include failure of clinical trials, delays
http://www.w3.org/ns/prov#wasQuotedFrom	bio-medicine.org