BMJ17 小时
Long-term effect of cardiac resynchronisation in patients reporting mild symptoms of heart ...
The CONTAK study randomised, in a double-blind fashion, 490 patients with heart failure, left ventricular ejection fraction ⩽35% and QRS ⩾120 msec who required an implantable cardiac defibrillator ...
Ottawa22 小时
ottawa.ca
registration and drop-in activities, swimming, skating, culture, fitness, sport ...