Smoking and psoriasis

BMJ 1994; 308 doi: https://doi.org/10.1136/bmj.308.6943.1572c (Published 11 June 1994) Cite this as: BMJ 1994;308:1572
  1. E M Higgins,
  2. A W P Duvivier,
  3. T J Peters
  1. Department of Dermatology, King's College Hospital, London SE5 9RS
  2. King's College Medical School, London SE5 9RS.

    EDITOR, - Hywel C Williams reviews some of the published work on the link between smoking and psoriasis,1but without adequate controls it is not possible to say that smoking could be responsible for up to a quarter of cases of the disease. Most studies have examined smoking in isolation and have failed to …

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