* * 状癌如局限在腺体内,且无颈淋巴结转移,则行_________和_________,不需行__________清除术。
参考答案:患侧、峡部和对侧大部切除、颈淋巴结
Were you _____ at 4 o'clock yesterday? [ ]
A. work
B. works
C. working
D. worked
目前已发现的内源性阿片样肽类有( )
A.甲硫氨酸脑啡肽
B.亮氨酸脑啡肽
C.β-啡肽
D.心房肽
E.强啡肽