TY  - JOUR
A1  - Langhammer, A.
A1  - Krokstad, S.
A1  - Romundstad, P.
A1  - Heggland, J.
A1  - Holmen, J.
T1  - The HUNT study: Participation is associated with survival and depends on socioeconomic status, diseases and symptoms
Y1  - 2012
DO  - 10.1186/1471-2288-12-143
VL  - 12
IS  - 143

ER  -