A retrospective study of axillary and internal mammary sentinel lymph node biopsy in breast cancer patients after neoadjuvant chemotherapy
CAO Xiaoshan, CONG Binbin, SUN Xiao, et al
China Oncology . 2015, (8): 608 -613 .  DOI: 10.3969/j.issn.1007-3969.2015.08.008