单项选择题
A1型题
B.1.1mmol/L
C.1.4mmol/L
D.1.6mmol/L
E.1.75~1.8mmol/L
血钙水平低于多少可引起手足搐搦()
A.0.9mmol/LB.1.1mmol/L
C.1.4mmol/L
D.1.6mmol/L
E.1.75~1.8mmol/L
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