Six versus 12 months’ adjuvant trastuzumab in patients with HER2-positive early breast cancer: the PERSEPHONE non-inferiority RCT oleh Helena Earl, Louise Hiller, Anne-Laure Vallier, Shrushma Loi, Karen McAdam, Luke Hughes-Davies, Daniel Rea, Donna Howe, Kerry Raynes, Helen B Higgins, Maggie Wilcox, Chris Plummer, Betania Mahler-Araujo, Elena Provenzano, Anita Chhabra, Sophie Gasson, Claire Balmer, Jean E Abraham, Carlos Caldas, Peter Hall, Bethany Shinkins, Christopher McCabe, Claire Hulme, David Miles, Andrew M Wardley, David A Cameron, Janet A Dunn