About: http://webisa.webdatacommons.org/55771076

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	A urinary homocystine (nonquantitative) test system is a device intended to identify homocystine (an analogue of the amino acid cystine) in urine.
http://www.w3.org/ns/prov#wasQuotedFrom	fda.gov