Olfactory detection of human bladder cancer by dogs: Authors' reply

BMJ 2004; 329 doi: https://doi.org/10.1136/bmj.329.7477.1286-a (Published 25 November 2004) Cite this as: BMJ 2004;329:1286
  1. Carolyn M Willis, senior clinical scientist (carolyn.willis@sbucks.nhs.uk),
  2. Noel McCarthy, medical statistician
  1. Department of Dermatology, Amersham Hospital, Amersham, Bucks HP7 0JD
  2. Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF

    EDITOR—We were well aware of the need to consider lifestyle and environmental factors associated with bladder cancer. As stated in our methods section, we collected comprehensive data on each participant, including occupation, dietary intake, hobbies, drug treatment, and, most importantly, smoking habits. We specifically designed the training regimen to take into account the association between smoking, bladder cancer, and the possible presence of tobacco related odours in …

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