Centralisation of specialist cancer surgery services in two areas of England: the RESPECT-21 mixed-methods evaluation oleh Naomi J Fulop, Angus IG Ramsay, Cecilia Vindrola-Padros, Caroline S Clarke, Rachael Hunter, Georgia Black, Victoria J Wood, Mariya Melnychuk, Catherine Perry, Laura Vallejo-Torres, Pei Li Ng, Ravi Barod, Axel Bex, Ruth Boaden, Afsana Bhuiya, Veronica Brinton, Patrick Fahy, John Hines, Claire Levermore, Satish Maddineni, Muntzer M Mughal, Kathy Pritchard-Jones, John Sandell, David Shackley, Maxine Tran, Steve Morris