20 X-ray Departments of hospitals in the north, centre and south of Vietnam and base of nutural radiation in those areas were examinated. The results have shown that the working places of health staffs were well protected, but X-ray level in some waiting places of patients were higher than allowed limitation because of poor protection. The X-ray were not penetrated in to the next rooms because the wall and ceiling were well protected
X-Rays ; Elements, Radioactive ; Safety

Some methods of diagnosis by using the nuclear medicine have been applied in Vietnam including the functional diagnosis in vivo, the image writing and in vitro method.
Nuclear Medicine ; Thyroid Function Tests