BMC Medical Research Methodology

official impact factor 2.15

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Estimating the number needed to treat from continuous outcomes in randomised controlled trials: methodological challenges and worked example using data from the UK Back Pain Exercise and Manipulation (BEAM) trial

Robert Froud*, Sandra Eldridge, Ranjit Lall and Martin Underwood

BMC Medical Research Methodology 2009, 9:35 doi:10.1186/1471-2288-9-35

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