![Clearer guidance needed on cardiology follow up, primary care treatment of skins conditions and surveillance for disability hate crime](https://www.nationalelfservice.net/cms/wp-content/uploads/2014/07/blinds_shutterstock_67756111-2-150x150.jpg)
In this blog Mark-Steven Howe looks at a methodlogical review and meta-analysis. The review looked at the use of patient and assessor blinding is trials of oral health interventions and shows larger effect sizes when blinding was lacking.
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