About: http://webisa.webdatacommons.org/19621765

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	To the extent allowed by measurement error, we were able to control for some important confounders, such as smoking, age, and education.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com