About: http://webisa.webdatacommons.org/357476349

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	However, matrix effects from biological matrices such as urine may impair the accuracy and the precision of the method.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca