rh factor แปลว่า
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How to solve the problem for the blood group and Rh factor
If a woman has a negative Rh factor, the following types of abortions can be made to her:
Blood groups: blood transfusion scheme, Rh factor
If a woman has a negative Rh factor, the following types of abortions can be made to her:
Why there is a Rh factor in the first or second pregnancy