TY - JOUR AU - Nisha, C. PY - 2017 DA - 2017// TI - Hazra and Martin Gulliford, evolution of the “fourth stage” of epidemiologic transition in people aged 80 years and over: population-based cohort study using electronic health records JO - Popul Health Metrics VL - 15 UR - https://doi.org/10.1186/s12963-017-0136-2 DO - 10.1186/s12963-017-0136-2 ID - Nisha2017 ER -