منابع مشابه
A Stab in the Dark?
OBJECTIVES Test the influence of darkness in the street robbery crime event alongside temperature. METHODS Negative binomial regression models tested darkness and temperature as predictors of street robbery. Units of analysis were four 6-hr time intervals in two U.K. study areas that have different levels of darkness and variations of temperature throughout the year. RESULTS Darkness is a k...
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Hip fracture incidence rises globally in an aging population who live in an era of financial austerity. Health service providers are under pressure both to optimize care and to increase efficiencies in the management of this vulnerable patient group. One area of inefficiency in perioperative processes is the assessment of deranged clotting profiles secondary to warfarinization and in the monito...
متن کاملA stab in the dark: chick killing by brood parasitic honeyguides
The most virulent avian brood parasites obligately kill host young soon after hatching, thus ensuring their monopoly of host parental care. While the host eviction behaviour of cuckoos (Cuculidae) is well documented, the host killing behaviour of honeyguide (Indicatoridae) chicks has been witnessed only once, 60 years ago, and never in situ in host nests. Here, we report from the Afrotropical g...
متن کاملAvoiding the dark energy coincidence problem with a cosmic vector
We show that vector theories on cosmological scales are excellent candidates for dark energy. We consider two different examples, both are theories with no dimensional parameters nor potential terms, with natural initial conditions in the early universe and the same number of free parameters as ΛCDM. The first one exhibits scaling behaviour during radiation and a strong phantom phase today, end...
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ژورنال
عنوان ژورنال: BMJ
سال: 2004
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.328.7436.392