BMC Public Health

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Leisure-time physical activity, cardiorespiratory fitness and feelings of hopelessness in men

Maarit Valtonen*, David E Laaksonen, Jari Laukkanen, Tommi Tolmunen, Rainer Rauramaa, Heimo Viinamäki, Jussi Kauhanen, Timo Lakka and Leo Niskanen

BMC Public Health 2009, 9:204 doi:10.1186/1471-2458-9-204

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