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Diagnosaurus
MD Calc
Understanding Clinical Research
Evidence-Based Medicine Search Process
Evidence-Based Medicine Toolkit
Search Strategy to Identify Studies from Electronic Databases
The Number Needed to Treat (NNT)
What is Comparative Effectiveness?
Cochrane Library
BMJ Clinical Evidence
TRIP Database
Dynamed
CDC Vaccination Guidelines
Open.Med
Fred Trotter
Medication Interaction Checker
Pill Identifier
Natural Medicines
Medications & Mother's Milk
Erowid
f.lux: Prevent Computer-Related Insomnia
clinicaltrials.gov