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Search filters can help to focus your search and retrieve more clinically relevant research from health science databases. Using search filters for a particular topic or methodology may improve your search sensitivity or decrease the number of irrelevant results.
Our COVID-19 Searches page will help you get started
This search tool provides easy access to Aboriginal and Torres Strait Islander health literature on the PubMed database. Look at all literature or choose one of 27 topic searches.
Subject-based search filters for use in the PubMed database. These filters provide the best available evidence in palliative care related topics.
Standardised, systematic subject-based searches with known levels of performance. Topics include opthamology, primary health care, stroke, contraception, etc.
Allows you to efficiently retrieve integrated care literature via PubMed.
Provides targeted searches for references about National Standards topics.
Directory of topic-specific searches including bioethics, cancer, toxicology and more.
Search terms and filters (also called "hedges") to help you retrieve literature on transgender topics.
Search filters grouped by study design (eg. epidemiological studies) or focus (eg. quality of life).
Methodological search filters covering therapy, diagnosis, prognosis, etiology, economics, reviews, and qualitative studies. The McMaster filters are also embedded in the Ovid databases at Austin Health.
A search interface to find citations in the areas of clinical study categories, systematic reviews and medical genetics
SIGN has devised search filters for: systematic reviews; RCTs; observational, diagnostic & economic studies; and patient issues.
The best way to limit your search to human studies is to remove animal studies from your results.
Use the "Humans only" Special Ovid Filter in either Ovid MEDLINE or Ovid Embase to remove records about animals:
1. Select your search terms
2. Combine your search terms
3. Click the Additional Limits button
4. Select the Humans only limit from the Special Filters section
5. Click Limit a Search
6. Review your results