Clinical References - Physician & Provider Tool Box: Diagnosis & Quick Reference Calculators
aka "The Physician Tool Box" - Knowledge Resources at the point-of-care.
Search for 1000+ differential diagnoses by symptom, disease or organ system.
* Merck Manual - Symptoms
Includes an online symptom checker.
Diagnosaurus (AccessMedicine)Search for 1000+ differential diagnoses by symptom, disease or organ system.
Dermatology Atlases (eBooks)
* EBMCalc via StatRef
A collection of over 520 calculators, clinical criteria sets and decision trees that assist with medical error detection and reduction.