<http://webisa.webdatacommons.org/427145077>	<http://www.w3.org/ns/prov#value>	"One study was a cluster randomised controlled trial, one a prospective cohort study and two were before and after case series." .
<http://webisa.webdatacommons.org/prov/221492914>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/427145077> .
<http://webisa.webdatacommons.org/427145077>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<york.ac.uk> .
<http://webisa.webdatacommons.org/427145077>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .