EDITOR,--The review of pediculicides by Robert H Vander Stichele and colleagues seems initially to be a major advance in the analysis of clinical studies in this field.1 Having recently completed a major review of the literature on human lice, however, I wish to comment on this analysis. I agree that most trials are full of faults and should probably never have been published. When I read the authors' analysis, however, I wondered whether they and …