About: http://webisa.webdatacommons.org/260807956

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	By balancing potential confounders (eg, maternal educational level and prenatal exposure to alcohol or other substances) we tried to make the groups as similar as possible except for the exposure of interest.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com