About: http://webisa.webdatacommons.org/68906733

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	Molecules such as drugs, nutrients and metabolites are not easily transported into, out of and across tissue, because tissue consists of a variety of cells, often of different types, which must be traversed by molecules.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es