This research is based on medical ray at different doses management on human hematopoietic function influence. Observation group is 97 medical staff in one hospital at different areas of contact ray, who are divided into diagnostic radiology group, interventional radiology group, clinical nuclear medicine group and radiation therapy group. Control group is 32 medical staff in the hospital, who does not contact rays. Blood indexes of men in observation group except RBC are slightly smaller than women. Blood indexes in observation group are slightly smaller than control group. People in <10 group, 10-group, 20-group contact medical ray dose are significantly higher than control group. Blood indexes of people in <10 group, 10-group, 20-group except RBC are slightly smaller than control group. White cell injury is most obvious. Contact ray dose more injury. Contact ray injury longer.
Medical radiation Dose equivalent Hematopoietic function
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