DOI:
10.1055/s-00034612
Yearbook of Medical Informatics
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References
Davey RC, Cochrane T, Gidlow C, Fairburn J, Smith G.
Design of a pragmatic cluster randomised controlled trial: Ecological approach to increasing physical activity in an urban community..
Contemp Clin Trials 2008;
29 (05) 774-82.
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