Aging Clinical and Experimental Research (2020). doi:10.1007/s40520-020-01735-5 info:cnr-pdr/source/autori:Costa, Gianluca; Bersigotti, Laura; Massa, Giulia; Lepre, Luca; Fransvea, Pietro; Lucarini, Alessio; Mercantini, Paolo; Balducci, Genoveffa; Sganga, Gabriele; Crucitti, Antonio/titolo:The Emergency Surgery Frailty Index (EmSFI): development and internal validation of a novel simple bedside risk score for elderly patients undergoing emergency surgery/doi:10.1007%2Fs40520-020-01735-5/rivista:Aging Clinical and Experimental Research (Print)/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume