Leisure time physical activity in a 22-year follow-up among Finnish adults

Katja Borodulin, Tomi E Mäkinen, Päivi Leino-Arjas, Tuija H Tammelin, Markku Heliövaara, Tuija Martelin, Laura Kestilä, Ritva Prättälä
International Journal of Behavioral Nutrition and Physical Activity 2012, 9:121 (2 October 2012)

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