Validity of indirect comparison for estimating efficacy of competing interventions: empirical evidence from published meta-analyses.

F Song, D G Altman, A M Glenny, J J Deeks

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@article{8e60154c8adf4661bf75bcbeb7cf4645,

title = "Validity of indirect comparison for estimating efficacy of competing interventions: empirical evidence from published meta-analyses.",

author = "F Song and Altman, {D G} and Glenny, {A M} and Deeks, {J J}",

year = "2003",

language = "English",

volume = "326(7387):",

pages = "472",

journal = "BMJ",

issn = "1756-1833",

publisher = "BMJ",

}