About: http://webisa.webdatacommons.org/351488196

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	Second, most observational studies are cohort studies and we only included those with adjusted risk estimates controlled for potential confounders such as age, sex, BMI, HbA1C, smoking and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca