About: http://webisa.webdatacommons.org/355556782

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	He added that a scratch board is used to lightly scratch the gum to obtain oral mucosa, then the test results are available in around 20-30 minutes, similar to a home pregnancy test.
http://www.w3.org/ns/prov#wasQuotedFrom	biospectrumasia.com