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Risk of bias

SE Saeid Eslami
FK Farnaz Khoshrounejad
RG Reza Golmakani
ZT Zhila Taherzadeh
FT Fariba Tohidinezhad
SM Sayyed Mostafa Mostafavi
RG Raheleh Ganjali
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The Cochrane Collaboration’s evaluation tool was used to assess the risk of bias in clinical trials [25]. This tool has been designed to assess risk of bias in term of following domains: selection bias (i.e. random sequence generation and allocation concealment), reporting bias (selective outcomes reporting), performance bias (i.e. blinding of participants and personnel), attrition bias (incomplete outcomes data), detection bias (blinding of outcome assessor), and etc.

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