Mitral valve surgery has changed considerably in the past decades and is now indicated mostly for pure or predominant mitral regurgitation. This is the result of the regression of rheumatic disease, ...

Abstract: With the development of society, people have a higher demand for the work environment. It has aroused extensive attention of enterprises. One of the most important demands for workers is to ...

Abstract: It is necessary to develop an effective knee prosthesis to recover the lost mobility of amputees. Variable-damping knee prostheses utilizing hydraulic dampers offer several advantages, but ...

Canada's Florida boycott 'taking effect' on Donald Trump—Doug Ford I wrote 'Dude, Where's My Car' 25 years ago. It would never be made today. This hockey mom exposed a youth-sports theft. Then came ...