A family approach to risk factors for nutritionally linked diseases: the 'Fleurbaix Laventie Ville Santé' (FLVS) D. Boute, JM Borys, MA Charle, F. Thomas, C. Toursel, E. Eschwege and P. Fossati Reprod. Nutr. Dev., 35 5 (1995) 600 DOI: 10.1051/rnd:19950533