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Were to find grey literature
Search the grey literature to reduce evidence bias. Go to the resources below for a comprehensive list of resources.
Information about grey literature searching
Selected resources for grey literature
BIOSIS Citation Index This link opens in a new window
Life sciences and biomedical research covering pre-clinical and experimental research, methods and instrumentation, animal studies, and more. Includes Biological Abstracts coverage plus Reports, Reviews & Meetings. and Cited reference searching
CINAHL (Cumulative Index to Nursing & Allied Health Literature) This link opens in a new window
Research database of nursing and allied health literature. Includes full text.
EMBASE This link opens in a new window
Research database especially useful for systematic reviews. Search in addition to PubMed or MEDLINE.
APA PsycINFO via Ovid This link opens in a new window
Contains citations and abstracts to articles in journals, dissertations, and book chapters in all areas of psychology. Includes indexing of all articles from PscyARTICLES.
Scopus This link opens in a new window
Scopus indexes 14,000 journal titles in the scientific, technical, medical and social science literature from the mid-1960's on. Includes selected web sources and 12.7 million patents.
Web of Science Core Collection This link opens in a new window
Includes Conference Proceedings Citation Index. Subjects covered: basic, life, and social sciences and arts/humanities. Click EDITIONS ALL on the search screen to select specific indexes
Clinical trials registries
ClinicalTrials.gov This link opens in a new window
ClinicalTrials.gov is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.
International Clinical Trials Registry Platform ICTRP This link opens in a new window
The Clinical Trials Search Portal provides access to a central database containing the trial registration data sets provided by the registries listed on the right. It also provides links to the full original records.
Drug and device regulations
Drugs@FDA This link opens in a new window
A searchable Web site containing information about approved and tentatively approved prescription, over-the-counter, and discontinued drugs. It includes links to drug approval letters, labels, and review packages.
Devices@FDA This link opens in a new window
Devices@FDA is a catalog of cleared and approved medical device information from fda. it includes links to the device summary information, manufacturer, approval date, user instructions, and other consumer information. Devices@FDA searches the following databases: PMN-510(k) Premarket Notification and PMA-Premarket Approval.