TY - JOUR A1 - Engelhardt, H. A1 - Buber, I. A1 - Skirbekk, V. A1 - Prskawetz, A. T1 - Social involvement, behavioural risks and cognitive functioning among older people Y1 - 2010 DO - 10.1017/S0144686X09990626 JF - Ageing & Society VL - 30 IS - 5 SP - 779 EP - -809 ER -