About: http://webisa.webdatacommons.org/224847627

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	This study is limited by the fact that all the information collected was self-reported, except for the frequency of non-compliance and the TST induration measurements.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca