What are the precautions for the storage and use of medical oxygen? Medical oxygen is a dangerous chemical, health care workers should strengthen safety risk prevention and control, standardize medical oxygen storage and use safety management, to prevent safety accidents. I. Risk analysisOxygen has

The liver is known as the general of the human body and it is often said that "nourishing the liver is nourishing life", which shows the close relationship between the liver and human health. As an ultrasonographer, one of the most frequent names for liver cysts comes up during ultrasound examinatio