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Population and Public Health

Research Help

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Ursula Ellis
Woodward Library

Need help with a literature review?

Your subject librarian can meet with you to help refine your search terms, advise on appropriate databases, discuss how to manage your search results, and consult on systematic or scoping review methods.

Book an online appointment here or contact

If you're working on a systematic or scoping review, please complete this form:


Workshops are regularly offered on a wide range of topics, including literature reviews and systematic reviews.

Key Resources

Finding COVID-19 research

When searching Ovid MEDLINE or PubMed, there are COVID search filters you can add to your search to focus your results:

In Ovid MEDLINE, after searching for your topic, click the Limits link below the search box and check the "COVID-19" box, then the Search button:

In PubMed, click "Clinical Queries," in the Find section on the main page; then choose COVID-19.

The sources below are good places to find preprints, grey literature, and other COVID research not included in MEDLINE.

Featured resource: Understanding Research Evidence videos from NCCMT

Quick explanations of review types, relative risk, NNT, types of reviews, odds ratios, confidence intervals, forest plots, clinical significance, and more. Produced by the National Collaborating Centre for Methods and Tools.

Critical Appraisal Resources

Related Guides