You can get a health certificate when you are in good health. When you have a physical examination, you will know that there is calcification in a good place. You don't need to issue a certificate or see a medical record.
The items of health certificate examination include: tuberculosis, transaminase (i.e. hepatitis E and hepatitis A) and intestinal infectious diseases.
The specific method is to take pictures of the lungs, draw blood, collect stools, touch the liver and spleen, and listen to the heart and lungs.
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