By Osler M.   Prescott E.   Godtfredsen N.   Hein H.O.   Schnohr P.   in Preventive Medicine

ISSN:0091-7435|29|1|57-62

Academic Press‎(1999)‎

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By Godtfredsen N.S.   Prescott E.   Osler M.   Vestbo J.   in Preventive Medicine

ISSN:0091-7435|33|1|46-52

Academic Press‎(2001)‎

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