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MeSH terms must be used in Medline searches

BMJ 1997; 314 doi: (Published 19 April 1997) Cite this as: BMJ 1997;314:1203
  1. Mike Clarke, Imperial Cancer Research Fund research assistanta,
  2. Liz Greaves, Research assistanta,
  3. Sam James, Research assistanta
  1. a Clinical Trial Service Unit, Radcliffe Infirmary, Oxford OX2 6HE

    Joel Ray and Marian Vermeulen highlight the existence of misspellings of medical terms in Medline.1 A problem also exists with methodological terms. Perhaps the most important of these for someone interested in patient care or the preparation of a systematic review is the truncated free text “random*,” which might identify reports of randomised trials. We searched Medline for some common misspellings of random to identify how often they occur and whether the retrieved records could have been …

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