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N the 400 m had to be covered in order for theN the 400 m had to be covered in order for the scan to be complete for each radius.4 number not for citation purpose) (pageCitation: Global Health Action 2011, 4: 5276 - DOI: 10.3402/gha.v4i0.Community health environment scan survey (CHESS)Fig. 2. The neighborhood environmental scan includes walking a 400 m radius around each school and identifyi

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