Frequency and reasons for outcome reporting bias in clinical trials: interviews with trialists

Smyth, R M D ; Kirkham, J J ; Jacoby, A ; Altman, D G ; Gamble, C ; Williamson, P R

BMJ, 2011-01, Vol.342 (7789), p.155-155 [Periódico revisado por pares]

England: British Medical Journal Publishing Group

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