Bias from historical control groups used in orthodontic research: a meta-epidemiological study
Papageorgiou, Spyridon N., Koretsi, Vasiliki, Jäger, AndreasLanguage:
english
Journal:
The European Journal of Orthodontics
DOI:
10.1093/ejo/cjw035
Date:
April, 2016
File:
PDF, 891 KB
english, 2016