Total mortality after changes in leisure time physical activity in 50 year old men: 35 year follow-up of population based cohort
Byberg, Liisa ; Melhus, Håkan ; Gedeborg, Rolf ; Sundström, Johan ; Ahlbom, Anders ; Zethelius, Björn ; Berglund, Lars G ; Wolk, Alicja ; Michaëlsson, Karl
BMJ, 2009-03, Vol.338 (7), p.482-b688 [Periódico revisado por pares]England: British Medical Journal Publishing Group
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