诊断原发性肝癌最特异的指标是()
A.凝血酶原
B.甲胎蛋白
C.血清铁蛋白
D.谷氨酰转肽酶
E.癌胚抗原
参考答案:B
一问一答,补全对话。
1. — ____________________________
— It's me.
2. — ____________________________
— He is a doctor.
3. — ____________________________
— My father and mother.
4. — Can you spell it?
— ____________________________
5. — Is this your father?
引起排便失禁的原因?