<http://webisa.webdatacommons.org/prov/81463121>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390349161> .
<http://webisa.webdatacommons.org/390349161>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<who.int> .
<http://webisa.webdatacommons.org/390349161>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/390349161>	<http://www.w3.org/ns/prov#value>	"Are you a researcher, health professional, policy-maker, or other expert involved in the field of immunization, vaccines or biologicals ?" .
<http://webisa.webdatacommons.org/prov/81298002>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390349161> .