TY - JOUR A1 - Zarulli, V. A1 - Marinacci, C. A1 - Costa, G. A1 - Caselli, G. T1 - Mortality by education level at late-adult ages in Turin: a survival analysis using frailty models with period and cohort approaches Y1 - 2013 DO - 10.1136/bmjopen-2013-002841 JF - BMJ Open VL - 3 IS - 7 ER -