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Table 1 Grey literature sources searched

From: Reducing risk of bias in interventional studies during their design and conduct: a scoping review

Grey literature

Clinical Trial Registries

Australian New Zealand Clinical Trials Registry (ANZCTR)

ClinicalTrials.gov

International Clinical Trials Registry Platform (WHO)

Practice Guidelines

National Guideline Clearinghouse

WHO Guidelines summaries

Australian Practice Guidelines

Grey Literature Sources

Analysis & Policy Observatory (APO- Health section)

Open Grey (ARCHIVE ONLY)

Others

MedNar

Google