TY - JOUR A1 - Holmen, J. A1 - Midthjell, K. A1 - Krüger, Ø. A1 - Langhammer, A. A1 - Holmen, T.L. A1 - Bratberg, G.H. A1 - Lund-Larsen, P.G. T1 - The Nord-Trøndelag Health Study 1995–97 (HUNT 2): Objectives, contents, methods and participation Y1 - 2003 DO - 10.5324/nje.v13i1.305 VL - 13 IS - 1 ER -