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1by Salonen, Jukka T., Hämynen, Heikki, Heinonen, Olli P.Get access
Published in Scandinavian Journal of Social Medicine (1985)
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3by SALONEN, JUKKA T, HEINONEN, OLLI P, KOTTKE, THOMAS E, PUSKA, PEKKAGet access
Published in International Journal of Epidemiology (1981)
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