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Covidence is a not-for-profit service working in partnership with Cochrane to improve the production and use of systematic reviews. Instructions for Sign In and Sign up for New and Previous users. 1. Create an account at 2. Request an invitation to join the JHU Welch Medical Library account at 3. Accept the e-mail invitation you receive. 4. Log in to your Covidence account Click "Create new review" and select the JHU account option.
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