Assessment and treatment of frail patients living with multiple myeloma. A guideline on behalf of the UK Myeloma Research Alliance Frailty Group. - Moore S; Miller H; Parrish C; Seymour F; Miller L; Chandler T; Land J; Karpha I; Brearton G; Thompson S; Clayton L; Jones J; et al. (British journal of haematology, 2025)