<http://webisa.webdatacommons.org/prov/41844581>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/349325763> .
<http://webisa.webdatacommons.org/349325763>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/349325763>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pubmedcentralcanada.ca> .
<http://webisa.webdatacommons.org/349325763>	<http://www.w3.org/ns/prov#value>	"Before study initiation, the study protocol, informed consent forms, and other documentation were approved by institutional review boards of each site." .