Research Article Management of tumours of the bladder. Br Med J 1970; 4 doi: https://doi.org/10.1136/bmj.4.5736.661 (Published 12 December 1970) Cite this as: Br Med J 1970;4:661 Article Related content Metrics Responses Peer review Related articles Correction Visual Evoked Response in Diagnosis of Multiple Sclerosis Published: 19 January 1974; Br Med J 1 doi:10.1136/bmj.1.5898.126 See more Anaesthetists feel broadly negative about associates, survey finds BMJ April 10, 2024, 385 q839; DOI: https://doi.org/10.1136/bmj.q839 Cardiac arrest occurs in three in 10 000 surgeries involving anaesthesia, audit finds BMJ November 20, 2023, 383 p2737; DOI: https://doi.org/10.1136/bmj.p2737 Anaesthesia associates: Royal college convenes extraordinary meeting after call from members BMJ September 11, 2023, 382 p2076; DOI: https://doi.org/10.1136/bmj.p2076 Ethnic inequalities in how care is given, not just in access and outcomes BMJ July 11, 2023, 382 p1589; DOI: https://doi.org/10.1136/bmj.p1589 Learning from complaints during covid-19: discuss risks and benefits before hospital treatment BMJ July 27, 2022, 378 o1858; DOI: https://doi.org/10.1136/bmj.o1858