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Confounding of subgroup analyses in randomized data.
Groenwold RH, Donders AR, van der Heijden GJ, Hoes AW, Rovers MM. Groenwold RH, et al. Among authors: hoes aw. Arch Intern Med. 2009 Sep 14;169(16):1532-4. doi: 10.1001/archinternmed.2009.250. Arch Intern Med. 2009. PMID: 19752412 No abstract available.
551 results