26 August 2021>: Clinical Research
Factors Associated with Age-Related Changes in Non-Smoking Urban Men and Women in China Determined by Low-Dose Computed Tomography ImagingShujing Li 1ABCDEFG , Yaguang Li 1BCDEF , Meibao Kong 1BCD , Chenguang Zhang 1BCD , Yulan Geng 2CDE , Mengyue Sun 1BCD , Li He 1BC , Shengnan Li 1BEF , Huaijun Liu 3ABCDEF*
Med Sci Monit 2021; 27:e931006
Figure 6 The distributions of frequencies of tracheal wall calcification in upper, middle, and lower sections of all tracheae. The frequencies of tracheal calcification in the indicated sides of tracheal walls were summarized. A – anterior of trachea; P – posterior of trachea; L – left side of trachea; R – right side of trachea.