满意的肿瘤细胞减灭术是指手术后残存肿瘤()。
A.小于1cm
B.小于1~2cm
C.小于2~3cm
D.小于3~4cm
E.小于5cm
参考答案:B
our daily expenses, we have to put quite a lot for our daughter’s further education.
A.In addition
B.As well as
C.Beside
D.in addition to
对某一疾病危险因素研究,某因素在病因学上与疾病无关联,但可以引起所研究疾病的症状,从而提高了该疾病的检出率,引起对该无关因素的过高估计,这种偏倚是()。
A.奈曼偏倚
B.排出偏倚
C.混杂偏倚
D.检出偏倚
E.易感性偏倚