About: http://webisa.webdatacommons.org/140406940

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	Information abstracted fell into 3 categories: study quality criteria as listed earlier; study characteristics, such as study identification, participants, and intervention and control conditions; and study outcomes, including harms.
http://www.w3.org/ns/prov#wasQuotedFrom	annals.org