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Tennant, P. et al. (n.d.). OP112 Use of outcome 'change-scores' in observational data are a potential source of inferential bias. Journal of epidemiology and community health. p. A53. [Online].
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Tennant, P. et al. (n.d.). OP112 Use of outcome 'change-scores' in observational data are a potential source of inferential bias. Journal of epidemiology and community health. p. A53. [Online].