A heart-lung machine takes over the work of the heart and lungs during surgeries. It oxygenates and circulates blood when a person's heart or lungs can't work properly. While essential, using a ...
Over the past century, heart operations that once were unthinkable have become commonplace. Thousands of times a day, ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果