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In some countries, it is illegal to drive with any detectable amount of alcohol in blood; in others, the legal limit is 0.5 g/L or lower. Recently, some defendants charged with driving under the influence of alcohol and have claimed that positive breath alcohol test results were due to the ingestion of homeopathic mother tinctures. These preparations are obtained by maceration, digestion, infusion, or decoction of herbal material in hydroalcoholic solvent. A series of tests were conducted to evaluate the alcoholic content of three homeopathic mother tinctures and their ability to produce inaccurate breath alcohol results. Nine of 30 subjects gave positive results (0.11–0.82 g/L) when tests were taken within 1 min after drinking mother tincture. All tests taken at least 15 min after the mother tincture consumption and resulted in alcohol-free readings. An observation period of 15–20 min prior to breath alcohol testing eliminates the possibility of false-positive results.  相似文献   
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When I was in high school, I went on a family vacation to Ocho Rios, Jamaica. I was getting lunch at a grilled chicken stand, when the cook asked me, "Miss Chin, where are you from?" (Jamaicans use Miss Chin as an affectionate nickname for all Chinese women.) I answered, "I’m from New Jersey, but I’m Korean." He practically dropped his spatula. "Whaaaat? I never met Korean Japanese Miss Chin fromNewJersey!"heshouted.Thatwas the only time I’ve had someone  相似文献   
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This article explores the under-examined issue of sexual abuse of children by women. It asks what are the conditions under which such things become knowable or when are they rendered unthinkable? The private sphere, marked by domestic walls, has been identified as the space most influenced and shaped by women. Its walls symbolise shelter and protection, and they are associated with the safety of all within. At the same time, however, the walls which constitute the private also enable a space within which women's actions can take place with limited oversight by others. Walls foster secrecy and what happens within can include elements of transgression. The sexual abuse of children by women—either their own or those entrusted into their care by others—is one such transgression. This article analyses a series of case studies derived from different historical sources in order to highlight how walls and the understandings of privacy that they support help to perpetuate a widespread belief that women can be unquestioningly trusted in their relations with children.  相似文献   
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