Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KRAG DN,Technical outcomes of sentinel-lymph-node resection and conventional axillary-lymph-node dissection in patients with clinically node-negative breast cancer : results from the NSABP B-32 randomized phase III trial,Lancet Oncol,,,2007,8,,881-888,https://cir.nii.ac.jp/crid/1572261551151820160,