About: http://webisa.webdatacommons.org/33454074

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	Biochemicals, enzymes and other chemicals used in the study were purchased from Sigma-Aldrich (Prague, Czech Republic) and were of the highest available commercial grade.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov