<http://webisa.webdatacommons.org/149918196>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/68168384>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149918196> .
<http://webisa.webdatacommons.org/149918196>	<http://www.w3.org/ns/prov#value>	"can be measured every 3 months, except in the following circumstances, when monitoring" .
<http://webisa.webdatacommons.org/149918196>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .