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BMJ. 1996 September 28; 313(7060): 808.
PMCID: PMC2352195

Statistics notes. Interaction 2: Compare effect sizes not P values.

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Selected References

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  • Altman DG, Matthews JN. Statistics notes. Interaction 1: Heterogeneity of effects. BMJ. 1996 Aug 24;313(7055):486–486. [PMC free article] [PubMed]
  • Cockburn F, Belton NR, Purvis RJ, Giles MM, Brown JK, Turner TL, Wilkinson EM, Forfar JO, Barrie WJ, McKay GS, et al. Maternal vitamin D intake and mineral metabolism in mothers and their newborn infants. Br Med J. 1980 Jul 5;281(6232):11–14. [PMC free article] [PubMed]

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