About: http://webisa.webdatacommons.org/444597594

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	The virtual absence of a public health practice infrastructure for the promotion of physical activity at the local level presents a critical challenge to chronic disease, and particularly obesity, control policy.
http://www.w3.org/ns/prov#wasQuotedFrom	elsevier.com