Bias from historical control groups used in orthodontic research: a meta-epidemiological study

Spyridon N. Papageorgiou, Vasiliki Koretsi, Andreas Jäger
  • European Journal of Orthodontics, April 2016, Oxford University Press (OUP)
  • DOI: 10.1093/ejo/cjw035
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The following have contributed to this page: Dr Spyridon N. Papageorgiou