开放性损伤病人常规应注射破伤风抗毒素的剂量为()。
A.300IU
B.500IU
C.800IU
D.1000IU
E.1500IU
参考答案:E
解析:[知识点] 创面处理
—Did you arrive here this morning?
—Yes,it was at nine o’clock ____we came here.
A.when
B.before
C.which
D.that
精斑的确证检验方法有哪些?