Registered trials report less beneficial treatment effects than unregistered ones: a meta-epidemiological study in orthodontics
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چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Journal of Clinical Epidemiology
سال: 2018
ISSN: 0895-4356
DOI: 10.1016/j.jclinepi.2018.04.017