Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GN Hortobagyi,"Ribociclib as First-Line Therapy for HR-Positive, Advanced Breast Cancer",New England Journal of Medicine,0028-4793,Massachusetts Medical Society,2018-12-27,379,26,2582-2582,https://cir.nii.ac.jp/crid/1363107369748555904,https://doi.org/10.1056/nejmx180043