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Sam, A; Sánchez, D; Gómez, V; Wagner, C; Kopecna, D; Zamarro, C; Moores, L; Aujesky, D; Yusen, R; Jiménez Castro, D (2011). The shock index and the simplified PESI for identification of low-risk patients with acute pulmonary embolism. European respiratory journal, 37(4), pp. 762-6. Sheffield, UK: European Respiratory Society 10.1183/09031936.00070110
