Intended for healthcare professionals

Letters Insulin pumps exposed to heat

Put an indicator on the bottle

BMJ 2009; 338 doi: (Published 20 May 2009) Cite this as: BMJ 2009;338:b2009
  1. Hilary M Hearnshaw, retired researcher in diabetes care1
  1. 1Warwick Medical School, University of Warwick, Coventry CV4 7AL
  1. hilary.hearnshaw{at}

    Some years ago I tried to persuade several insulin manufacturers that they should put an indicator on the container that would change colour permanently …

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