منابع مشابه
Less clarity as the fog begins to lift.
Epidemiological and clinical evidence accumulated over the last six decades has established a long-standing and close temporal relationship of air pollution with adverse health effects: from the extreme episodes of the Meuse Valley fog in 1930 and the London fog incident in 1952 to recent studies implicating ambient air pollution as a major perpetrator of adverse health effects. Globally, ambie...
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In fertility surveys often women (and sometimes men) are asked their fertility desires, i.e. whether they want a/nother birth or not. Some respond that they are undecided. This study examines whether these persons are more like those who say they want more births or like those who say they want no more births. Data on married men and women in 29 Demographic and Health Surveys with sample sizes ...
متن کاملINTERSEPT study: we still need more clarity
recent issues of Critical Care, we read with concern the article by Pontes-Arruda and colleagues [1] and the fi rst author's reply to the letter from Machado (the latter two of which appear in [2]). Th e article and subsequent letters address eicosapentaenoic acid/gamma-linolenic acid (EPA/GLA) use in sepsis patients in the INTERSEPT (Investigating Nutritional Th erapy with EPA, GLA and Antioxi...
متن کاملFertility decline; no mystery
The economic opportunity hypothesis states that perceived shrinkage of opportunity discourages women or couples from embarking on marriage or reproduction. On the contrary, the sense that opportunity is expanding encourages couples to raise their family-size target. The hypothesis assumes that humans are genetically programmed to maximize successful reproduction by having more offspring when en...
متن کاملOn Stability, Clarity, and Co-occurrence of Self-Tagging
Most studies on tags focus on collaborative tagging systems where each resource (e.g., article, photo) can be tagged by multiple users with multiple tags. The tag usage patterns in self-tagging systems where a resource (e.g., a blog post) can only be tagged by its owner, however, have not been well studied. From the tags assigned by bloggers to their own blog posts, we obtain interesting insigh...
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ژورنال
عنوان ژورنال: Nature Reviews Genetics
سال: 2005
ISSN: 1471-0056,1471-0064
DOI: 10.1038/nrg1549