About: http://webisa.webdatacommons.org/285868042

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	Because the study ispurely descriptive, no statistical analysis was done.The types of research were defined as either retrospec-tive or prospective.
http://www.w3.org/ns/prov#wasQuotedFrom	researchgate.net