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VisualDxThis link opens in a new windowWebsite and mobile app that provides problem-oriented decision support for differential diagnosis, testing and therapeutic decisions. Includes Differential Builder, which provides a symptom-based approach to diagnosis; 42K+ of images that can be used to diagnose 3,100+ medical and oral health diagnoses; Sympticons used to visually represent disease; etc. Includes images focused on general medicine, oral medicine, drug reactions, infectious diseases, dermatology, STDs, travel medicine, and more.