 
          Hudis CA, Krop IE, Burstein HJ, Winer EP (2015) Adjuvant paclitaxel and
        
        
          trastuzumab for node-negative, HER2-positive breast cancer. N Engl J Med
        
        
          
            372
          
        
        
          (2):
        
        
          134-141, doi:10.1056/NEJMoa1406281 [doi]
        
        
          Vaz-Luis I, Keating NL, Lin NU, Lii H, Winer EP, Freedman RA (2014) Duration and
        
        
          toxicity of adjuvant trastuzumab in older patients with early-stage breast cancer: a
        
        
          population-based study. J Clin Oncol
        
        
          
            32
          
        
        
          (9): 927-934, doi:JCO.2013.51.1261
        
        
          [pii];10.1200/JCO.2013.51.1261 [doi]
        
        
          Verma S, Miles D, Gianni L, Krop IE, Welslau M, Baselga J, Pegram M, Oh DY,
        
        
          Dieras V, Guardino E, Fang L, Lu MW, Olsen S, Blackwell K (2012) Trastuzumab
        
        
          emtansine for HER2-positive advanced breast cancer. N Engl J Med
        
        
          
            367
          
        
        
          (19): 1783-
        
        
          1791, doi:10.1056/NEJMoa1209124 [doi]
        
        
          Wang SY, Long JB, Hurria A, Owusu C, Steingart RM, Gross CP, Chen J (2014)
        
        
          Cardiovascular events, early discontinuation of trastuzumab, and their impact on
        
        
          survival. Breast Cancer Res Treat
        
        
          
            146
          
        
        
          (2): 411-419, doi:10.1007/s10549-014-3029-0
        
        
          [doi]