Ultrasound is an advanced medical technology, which has been a commonly used diagnostic method by doctors with good directionality. Ultrasound is divided into A type (oscilloscopic) method, B type ...
According to the National Health Commission information, by 24:00 on January 30, total of 9,692 cases of confirmed infection, 1,527 cases of severe cases, 213 cases of deaths, and 171 cases of cure...
