Câu ví dụ #21
1. "Thai Minh Sam, head of the Department of Urology, said around 300 patients register for kidney transplants every year but the hospital could not cure 100 because of different reasons, with one of them being the lack of donors with the same blood type.
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2. To transplant a kidney with different blood types, doctors must first stop the production of antibodies in the blood to avoid rejection.
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