EDITOR—Twice last year the BMJ gave column space to doctors reporting confusion between ampoules of water, saline, and lignocaine (also called lidocaine) for injection. 1 2 These doctors blame the similarity in ampoule shape and colour rather than admitting to the fundamental problem of having simply failed to read the label. In my view, the differences between the …
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J.A.W. Wildsmith (2002) studied this question.