UK national observational cohort study investigating Tolerance of Anti-cancer Systemic Therapy in the Elderly: the TOASTIE study oleh Avinash Aujayeb, Rachel Prichard, S Park, Mark A Baxter, J Hamilton, H Ali, L Hannington, Conor O'Neill, J Platt, G Clements, Deborah Scott, R Heywood, Helen Dearden, Sally Martin, Michael Rowe, Kieran Zucker, Clair Brunner, Adam L Peters, Maria Rohan, Alexandra Marsh, Abigail L Gee, Gemma Quesne, Jonny Heseltine, Joni Howells, Veronica Conteh, Xiangfei Yan, Lisa J Rodgers, J Grech, S McInerney, S Kingdon, L Eastlake, R Bryce, D Parslow, V Cope, N Aziz