相关考题
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单项选择题
原发性免疫缺陷病的总发病率是()
A.1:100000
B.1:50000
C.1:10000
D.1:5000
E.1:2500
A.1:100000
B.1:50000
C.1:10000
D.1:5000
E.1:2500
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