TY - STAND AU - N. Hazra AU - M. Gulliford BT - Popul Health Metr DO - 10.1186/s12963-017-0136-2 M1 - 1 PY - 2017 EP - 18 T2 - Popul Health Metr TI - Evolution of the "fourth stage" of epidemiologic transition in people aged 80~years and over: population-based cohort study using electronic health records VL - 15 SN - 1478-7954 ER -