About: http://webisa.webdatacommons.org/299729905

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	Selection bias, confounding, and other limitations leading to overestimation of effect could account for the authors' secondary analysis of data from a cohort study.
http://www.w3.org/ns/prov#wasQuotedFrom	aafp.org