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190], 'according': [95], 'rules.': [100], '<b>Main': [101], 'outcome': [102], 'measures</b>:': [103], 'Referral': [104], 'for': [105, 129, 139, 146, 153, 160, 168], 'foot': [108], 'radiography.': [109], '<b>Results</b>:': [110], 'There': [111, 212], 'significant': [113], 'reductions': [114], 'use': [116], 'at': [120], 'all': [121, 130], 'within': [125], 'priori': [127], 'subgroups:': [128], 'combined': [132], '82.8%': [133], 'control': [134], 'v': [135, 143, 150, 157, 164, 171, 199, 209, 229], '60.9%': [136], 'intervention': [137, 184], '(P<0.001);': [138, 145, 152, 159, 166], '86.7%': [142], '61.7%;': [144], '77.9%': [149], '59.9%;': [151], 'emergency': [154, 196, 226], '82.1%': [156], '61.6%;': [158], 'family': [161], '84.3%': [163], '60.1%;': [165, 172], 'housestaff': [169], '82.3%': [170], '(P<0.001).': [173], 'Compared': [174], 'patients': [176], 'without': [177, 278], 'fracture': [178], 'who': [179, 187], 'had': [180, 188, 204], 'those': [186], 'no': [189, 214], 'spent': [191], 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