International variation in neighborhood walkability, transit, and recreation environments using geographic information systems: the IPEN adult study
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Shared by NobleBlocks on Jan 1, 2014 • 12:00 AM UTC
Authors:
Marc A Adams
,
Lawrence D Frank
,
Jasper Schipperijn
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International variation in neighborhood walkability, transit, and recreation environments using geographic information systems: the IPEN adult study | NobleBlocks