Summary: Summary of the December 4, 2012 issue, including articles on clinical decision-support systems and HIV care, diagnostic accuracy of an amended insulin-glucose ratio for suspected insulinoma, estimating overdiagnosis in lung cancer screening, adherence to self-administered medications for chronic diseases, and warfarin and new oral anticoagulants for atrial fibrillation and venous thromboembolism, as well as best practice advice from the ACP on upper endoscopy for GERD, recommendations from the CDC on HCV testing of persons born during 1945-1965, and commentaries on West Nile virus and iatrogenic fungal meningitis.
