About: http://webisa.webdatacommons.org/192610258

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	The first step is to recognize whether the study is a retrospective study or a prospective study:
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com