About: http://webisa.webdatacommons.org/329607420

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	After approximately 30 days, both cell types formed sheets, comprising cells and ECM, that could be manually peeled off from the culture flask.
http://www.w3.org/ns/prov#wasQuotedFrom	biology-online.org