About: http://webisa.webdatacommons.org/238669094

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	Research samples will be collected from participants when blood is drawn or bone marrow, urine, or stool is collected, or tumor or other tissue is biopsied as part of their general medical care.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov