Expressions of CK（AE1/AE3）by immunohistochemical staining in the frozen sentinel lymph nodes of breast cancer
YANG Hui-chai， YIN Dan-jing， LIU Yue-ping
Journal of Hebei Medical University . 2020, (5): 524 -527,561 .  DOI: 10.3969/j.issn.1007-3205.2020.05.007