Major Subject Dates: After today's Mathematics paper, major subjects like English (Feb 21), Science (Feb 25), and Social Science (March 7) follow in quick succession. The March 3 Update: Students ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

BACKGROUND: Mental stress-induced myocardial ischemia is often clinically silent and associated with increased cardiovascular risk, particularly in women. Conventional ECG-based detection is limited, ...