Critical Care · 2019 · 65 citations · 24 references
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APACHE II-A Severity of Disease Classification System
William A. Knaus, Elizabeth A. Draper, Douglas P. Wagner et al. · Critical Care Medicine · 1986 · 13.4K citations
William A. Knaus, Elizabeth A. Draper, Douglas P. Wagner et al. · Critical Care Medicine · 1985 · 13.4K citations