By Tiikkainen P.   Heikkinen R.-L.   in Aging and Mental Health

ISSN:1364-6915|9|6|526-534

Routledge Ltd‎(2005)‎

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By Lampinen P.   Heikkinen R-L.   Ruoppila I.   in Preventive Medicine

ISSN:0091-7435|30|5|371-380

Academic Press‎(2000)‎

Access to resources Favorite 4.303357