TY - CHAP A1 - Bebbington, J. T1 - Regional and social variations in disability-free life expectancy in Great Britain Y1 - 1993 A3 - Robine, J.-M. A3 - Mathers, C. A3 - Bone, I. A3 - Romieu, I. T2 - Calculation of health expectancies: harmonization, consensus achieved and future perspectives CY - London PB - John Libbey ER -