Stating that when sent to that private hospital, they claimed that according to the principle, when it is not known what blood type the injured person has, they will give type O blood first, which is blood that can be given to all blood types. It turned out that day, type O blood was in short supply, so they searched for blood that matched the injured person's blood type, but the lab results were incorrect, it was type A blood, even though in fact the injured person had blood type B. During the surgery, type A blood was already used.
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