About: http://webisa.webdatacommons.org/221128534

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	Samples were considered positive for the presence of anti-gp120 IgG when the difference (??) between the sample OD and the CO was a positive value.
http://www.w3.org/ns/prov#wasQuotedFrom	scielosp.org