Correlation research of female breast density types,age and breast cancer
YU Daiyou,LIU Xiumei,CHEN Wen,FENG Nana,LIU Hongjuan,WU Yueqing,WANG Qinghai,YU Jie
Journal of Practical Oncology . 2016, (4): 295 -299 .  DOI: 10.11904/j.issn.1002-3070.2016.04.002