<http://webisa.webdatacommons.org/prov/219520965>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/132268389> .
<http://webisa.webdatacommons.org/132268389>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<medcentral.org> .
<http://webisa.webdatacommons.org/132268389>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/132268389>	<http://www.w3.org/ns/prov#value>	"These can penetrate the lungs and cause or worsen respiratory diseases such as emphysema and bronchitis, and aggravate existing heart disease." .
<http://webisa.webdatacommons.org/prov/27528997>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/132268389> .