Background Advances in catheter ablation procedures for the treatment of supraventricular arrhythmias have created the need to understand better the morphologic
Background The purpose of this study was to assess the morphological changes and physiological function of coronary arteries in patients presenting with chest p
Background Right ventricular apical pacing has been reported to reduce cardiac performance. But there are few reports on the effects of dual chamber (DDD) pacin
Background Intrarenal activation of the renin angiotensin system (RAS) plays an important role in mediating renal fibrosis. Both angiotensin converting enzyme
Background It is believed that estrogen plays pivotal roles in the regulation of follicle/oocyte maturation and oocyte fertilizability. It is also involved in