应该稍大一些，在液基内时间长有关

看看此文就知道了！

Proposed Sheffield quantitative criteria in cervical cytology to assist  
the diagnosis and grading of squamous intra-epithelial lesions, as  
some Bethesda system definitions require amendment  

Cytopathology 2005, 16, 168–178 ª 2005 Blackwell Publishing Ltd  

我无法将原文pdf传上去。