单项选择题
A.细菌性心内膜炎 B.脑血栓 C.脑脓肿 D.肺炎 E.心力衰竭
A.30天 B.3个月 C.6个月 D.9个月 E.12个月
A.2~8周 B.2~3个月 C.3~6个月 D.6~9个月 E.9个月以后
A.0~1ml B.2~4ng/ml C.1~3ng/ml D.1~4ng/ml E.0~3ng/ml
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