DOI:
10.1055/s-00034612
Yearbook of Medical Informatics
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References
Meusel D, Ruiz JR, Ortega FB, Hagströmer M, Bergman P, Sjöström M.
Assessing levels of physical activity in the European population - the ALPHA project..
Seleccion 2007;
16 (01) 9-12.
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