TY - JOUR A1 - Rogers, A. A1 - Rogers, R. G. A1 - Belanger, A. T1 - Longer life but worse health? Measurement and dynamics Y1 - 1990 DO - 10.1093/geront/30.5.640 JF - The Gerontologist VL - 30 SP - 640 EP - -649 ER -