Several questions remain

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7023.123a (Published 13 January 1996) Cite this as: BMJ 1996;312:123
  1. Gert M Laekeman
  1. Pharmacologist Faculty of Pharmaceutical Sciences, Catholic University of Leuven, B-3000 Leuven, Belgium

    EDITOR,—What is new in Robert H Vander Stichele and colleagues' article about topical treatments for head lice?1 It serves as a literature review and does not tell more than Wellcome told two years ago about permethrin (Nix) creme rinse. This literature search cost Belgian taxpayers about pounds sterling40000, and many questions remain.

    What about concentrations? According to the conclusions, natural pyrethrines are not sufficiently effective to justify their use. …

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