About: http://webisa.webdatacommons.org/47018786

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	Furthermore, there is a possibility that those remaining in the study at the end of the follow-up period were healthier, confounding the seemingly stable results over time.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov