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RT @CORA_UW: A natural experiment co-authored by Dr. Brian Saelens will test whether a new light rail line in Portland, OR, has a positive…
RT @CORA_UW: A natural experiment co-authored by Dr. Brian Saelens will test whether a new light rail line in Portland, OR, has a positive…
A natural experiment co-authored by Dr. Brian Saelens will test whether a new light rail line in Portland, OR, has a positive impact on physical activity and other health and economic outcomes https://t.co/f1OaEQnFDg #bmcpublichealth