Clinical Trials - search the ClinicalTrials.gov registry.
Cochrane Collection Plus. Controlled trials and other healthcare interventions, which include the Central Register of Controlled Trials, Abstracts of Reviews of Effects, Systematic Reviews, NHS Economic Evaluation, Health Technology Assessments, and the Methodology Register.
Nursing Reference Center Plus. A point-of-care tool, complementing CINAHL. It provides the most recent clinical evidence to nurses and other health-care professionals. Click here for instructions for downloading the app for Nursing Reference Plus to your iPhone, iPad, or Android device.
National Guideline Clearinghouse. Objective, detailed information on clinical-practice guidelines.
MEDLINE with Full Text - Biomedical literature from MEDLINE, life-science journals, and online books.
PubMed Clinical Queries - subset of PubMed containing results limited to specific clinical research areas.
TRIP database - overlay of many sources containing high-quality clinical-research evidence.