About: http://webisa.webdatacommons.org/3908907

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Among study volunteers with chronic obstructive pulmonary disease, including emphysema, researchers found that those with low blood levels of vitamin D were twice as likely to have experienced recent respiratory infections.
http://www.w3.org/ns/prov#wasQuotedFrom	bendweekly.com